Home / 1,686,040.90-2,529,061.35-488,002.30

Finding the Fourth Proportional to 1,686,040.90, 2,529,061.35 and 488,002.30

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Solution

The fourth proportional to 1,686,040.90, 2,529,061.35 and 488,002.30 is: 732,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,040.90 : 2,529,061.35 = 488,002.30 : x
  2. Step 2: Convert to fraction form
    1,686,040.90/2,529,061.35 = 488,002.30/x
  3. Step 3: Cross multiply
    1,686,040.90x = 2,529,061.35 × 488,002.30
  4. Step 4: Simplify right side
    1,686,040.90x = 1,234,187,755,641.11
  5. Step 5: Solve for x
    x = 1,234,187,755,641.11/1,686,040.90
  6. Step 6: Final answer
    x = 732,003.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.