Home / 1,002,802.20-1,502,891.10-403,272.60

Finding the Fourth Proportional to 1,002,802.20, 1,502,891.10 and 403,272.60

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Solution

The fourth proportional to 1,002,802.20, 1,502,891.10 and 403,272.60 is: 604,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,802.20 : 1,502,891.10 = 403,272.60 : x
  2. Step 2: Convert to fraction form
    1,002,802.20/1,502,891.10 = 403,272.60/x
  3. Step 3: Cross multiply
    1,002,802.20x = 1,502,891.10 × 403,272.60
  4. Step 4: Simplify right side
    1,002,802.20x = 606,074,801,413.86
  5. Step 5: Solve for x
    x = 606,074,801,413.86/1,002,802.20
  6. Step 6: Final answer
    x = 604,381.20

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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.