Home / 1,100,535.01-1,649,970.63-721,551.10

Finding the Fourth Proportional to 1,100,535.01, 1,649,970.63 and 721,551.10

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Solution

The fourth proportional to 1,100,535.01, 1,649,970.63 and 721,551.10 is: 1,081,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,535.01 : 1,649,970.63 = 721,551.10 : x
  2. Step 2: Convert to fraction form
    1,100,535.01/1,649,970.63 = 721,551.10/x
  3. Step 3: Cross multiply
    1,100,535.01x = 1,649,970.63 × 721,551.10
  4. Step 4: Simplify right side
    1,100,535.01x = 1,190,538,123,044.19
  5. Step 5: Solve for x
    x = 1,190,538,123,044.19/1,100,535.01
  6. Step 6: Final answer
    x = 1,081,781.24

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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.