Home / 1,354,298.56-1,868,920.08-742,440.20

Finding the Fourth Proportional to 1,354,298.56, 1,868,920.08 and 742,440.20

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Solution

The fourth proportional to 1,354,298.56, 1,868,920.08 and 742,440.20 is: 1,024,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,298.56 : 1,868,920.08 = 742,440.20 : x
  2. Step 2: Convert to fraction form
    1,354,298.56/1,868,920.08 = 742,440.20/x
  3. Step 3: Cross multiply
    1,354,298.56x = 1,868,920.08 × 742,440.20
  4. Step 4: Simplify right side
    1,354,298.56x = 1,387,561,397,979.22
  5. Step 5: Solve for x
    x = 1,387,561,397,979.22/1,354,298.56
  6. Step 6: Final answer
    x = 1,024,560.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.