Home / 1,040,068.70-1,559,987.85-292,190.30

Finding the Fourth Proportional to 1,040,068.70, 1,559,987.85 and 292,190.30

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Solution

The fourth proportional to 1,040,068.70, 1,559,987.85 and 292,190.30 is: 438,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,068.70 : 1,559,987.85 = 292,190.30 : x
  2. Step 2: Convert to fraction form
    1,040,068.70/1,559,987.85 = 292,190.30/x
  3. Step 3: Cross multiply
    1,040,068.70x = 1,559,987.85 × 292,190.30
  4. Step 4: Simplify right side
    1,040,068.70x = 455,813,317,887.86
  5. Step 5: Solve for x
    x = 455,813,317,887.86/1,040,068.70
  6. Step 6: Final answer
    x = 438,253.09

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Double scale
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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.