Home / 1,488,798.58-2,233,419.28-690,160.90

Finding the Fourth Proportional to 1,488,798.58, 2,233,419.28 and 690,160.90

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Solution

The fourth proportional to 1,488,798.58, 2,233,419.28 and 690,160.90 is: 1,035,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,798.58 : 2,233,419.28 = 690,160.90 : x
  2. Step 2: Convert to fraction form
    1,488,798.58/2,233,419.28 = 690,160.90/x
  3. Step 3: Cross multiply
    1,488,798.58x = 2,233,419.28 × 690,160.90
  4. Step 4: Simplify right side
    1,488,798.58x = 1,541,418,660,362.15
  5. Step 5: Solve for x
    x = 1,541,418,660,362.15/1,488,798.58
  6. Step 6: Final answer
    x = 1,035,343.99

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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.