Home / 1,592,639.89-2,197,765.40-904,221.50

Finding the Fourth Proportional to 1,592,639.89, 2,197,765.40 and 904,221.50

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Solution

The fourth proportional to 1,592,639.89, 2,197,765.40 and 904,221.50 is: 1,247,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592,639.89 : 2,197,765.40 = 904,221.50 : x
  2. Step 2: Convert to fraction form
    1,592,639.89/2,197,765.40 = 904,221.50/x
  3. Step 3: Cross multiply
    1,592,639.89x = 2,197,765.40 × 904,221.50
  4. Step 4: Simplify right side
    1,592,639.89x = 1,987,266,711,126.17
  5. Step 5: Solve for x
    x = 1,987,266,711,126.17/1,592,639.89
  6. Step 6: Final answer
    x = 1,247,781.58

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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.