Home / 1,230,561.60-1,845,842.40-807,547.20

Finding the Fourth Proportional to 1,230,561.60, 1,845,842.40 and 807,547.20

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Solution

The fourth proportional to 1,230,561.60, 1,845,842.40 and 807,547.20 is: 1,211,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,561.60 : 1,845,842.40 = 807,547.20 : x
  2. Step 2: Convert to fraction form
    1,230,561.60/1,845,842.40 = 807,547.20/x
  3. Step 3: Cross multiply
    1,230,561.60x = 1,845,842.40 × 807,547.20
  4. Step 4: Simplify right side
    1,230,561.60x = 1,490,604,861,761.28
  5. Step 5: Solve for x
    x = 1,490,604,861,761.28/1,230,561.60
  6. Step 6: Final answer
    x = 1,211,320.80

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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.