Home / 1,020,861.76-1,531,175.89-272,966.08

Finding the Fourth Proportional to 1,020,861.76, 1,531,175.89 and 272,966.08

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Solution

The fourth proportional to 1,020,861.76, 1,531,175.89 and 272,966.08 is: 409,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,861.76 : 1,531,175.89 = 272,966.08 : x
  2. Step 2: Convert to fraction form
    1,020,861.76/1,531,175.89 = 272,966.08/x
  3. Step 3: Cross multiply
    1,020,861.76x = 1,531,175.89 × 272,966.08
  4. Step 4: Simplify right side
    1,020,861.76x = 417,959,080,483.81
  5. Step 5: Solve for x
    x = 417,959,080,483.81/1,020,861.76
  6. Step 6: Final answer
    x = 409,417.90

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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.