Home / 1,020,859.76-1,531,172.90-272,964.08

Finding the Fourth Proportional to 1,020,859.76, 1,531,172.90 and 272,964.08

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Solution

The fourth proportional to 1,020,859.76, 1,531,172.90 and 272,964.08 is: 409,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,859.76 : 1,531,172.90 = 272,964.08 : x
  2. Step 2: Convert to fraction form
    1,020,859.76/1,531,172.90 = 272,964.08/x
  3. Step 3: Cross multiply
    1,020,859.76x = 1,531,172.90 × 272,964.08
  4. Step 4: Simplify right side
    1,020,859.76x = 417,955,196,776.68
  5. Step 5: Solve for x
    x = 417,955,196,776.68/1,020,859.76
  6. Step 6: Final answer
    x = 409,414.90

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