Home / 1,610,420.40-2,415,630.60-488,545.20

Finding the Fourth Proportional to 1,610,420.40, 2,415,630.60 and 488,545.20

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Solution

The fourth proportional to 1,610,420.40, 2,415,630.60 and 488,545.20 is: 732,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,420.40 : 2,415,630.60 = 488,545.20 : x
  2. Step 2: Convert to fraction form
    1,610,420.40/2,415,630.60 = 488,545.20/x
  3. Step 3: Cross multiply
    1,610,420.40x = 2,415,630.60 × 488,545.20
  4. Step 4: Simplify right side
    1,610,420.40x = 1,180,144,734,603.12
  5. Step 5: Solve for x
    x = 1,180,144,734,603.12/1,610,420.40
  6. Step 6: Final answer
    x = 732,817.80

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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.