Home / 1,587,493.20-2,190,677.76-942,896.28

Finding the Fourth Proportional to 1,587,493.20, 2,190,677.76 and 942,896.28

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Solution

The fourth proportional to 1,587,493.20, 2,190,677.76 and 942,896.28 is: 1,301,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,493.20 : 2,190,677.76 = 942,896.28 : x
  2. Step 2: Convert to fraction form
    1,587,493.20/2,190,677.76 = 942,896.28/x
  3. Step 3: Cross multiply
    1,587,493.20x = 2,190,677.76 × 942,896.28
  4. Step 4: Simplify right side
    1,587,493.20x = 2,065,581,910,582.73
  5. Step 5: Solve for x
    x = 2,065,581,910,582.73/1,587,493.20
  6. Step 6: Final answer
    x = 1,301,159.53

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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.