Home / 1,158,263.17-1,597,862.55-728,780.11

Finding the Fourth Proportional to 1,158,263.17, 1,597,862.55 and 728,780.11

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Solution

The fourth proportional to 1,158,263.17, 1,597,862.55 and 728,780.11 is: 1,005,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,263.17 : 1,597,862.55 = 728,780.11 : x
  2. Step 2: Convert to fraction form
    1,158,263.17/1,597,862.55 = 728,780.11/x
  3. Step 3: Cross multiply
    1,158,263.17x = 1,597,862.55 × 728,780.11
  4. Step 4: Simplify right side
    1,158,263.17x = 1,164,490,444,953.88
  5. Step 5: Solve for x
    x = 1,164,490,444,953.88/1,158,263.17
  6. Step 6: Final answer
    x = 1,005,376.39

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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.