Home / 1,154,633.31-1,593,365.85-638,373.87

Finding the Fourth Proportional to 1,154,633.31, 1,593,365.85 and 638,373.87

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Solution

The fourth proportional to 1,154,633.31, 1,593,365.85 and 638,373.87 is: 880,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,633.31 : 1,593,365.85 = 638,373.87 : x
  2. Step 2: Convert to fraction form
    1,154,633.31/1,593,365.85 = 638,373.87/x
  3. Step 3: Cross multiply
    1,154,633.31x = 1,593,365.85 × 638,373.87
  4. Step 4: Simplify right side
    1,154,633.31x = 1,017,163,123,990.34
  5. Step 5: Solve for x
    x = 1,017,163,123,990.34/1,154,633.31
  6. Step 6: Final answer
    x = 880,940.39

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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.