Home / 1,011,365.28-1,395,726.48-581,645.76

Finding the Fourth Proportional to 1,011,365.28, 1,395,726.48 and 581,645.76

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Solution

The fourth proportional to 1,011,365.28, 1,395,726.48 and 581,645.76 is: 802,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,365.28 : 1,395,726.48 = 581,645.76 : x
  2. Step 2: Convert to fraction form
    1,011,365.28/1,395,726.48 = 581,645.76/x
  3. Step 3: Cross multiply
    1,011,365.28x = 1,395,726.48 × 581,645.76
  4. Step 4: Simplify right side
    1,011,365.28x = 811,818,389,211.73
  5. Step 5: Solve for x
    x = 811,818,389,211.73/1,011,365.28
  6. Step 6: Final answer
    x = 802,695.53

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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.