Home / 1,158,557.83-1,598,860.36-642,278.90

Finding the Fourth Proportional to 1,158,557.83, 1,598,860.36 and 642,278.90

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Solution

The fourth proportional to 1,158,557.83, 1,598,860.36 and 642,278.90 is: 886,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,557.83 : 1,598,860.36 = 642,278.90 : x
  2. Step 2: Convert to fraction form
    1,158,557.83/1,598,860.36 = 642,278.90/x
  3. Step 3: Cross multiply
    1,158,557.83x = 1,598,860.36 × 642,278.90
  4. Step 4: Simplify right side
    1,158,557.83x = 1,026,914,273,274.40
  5. Step 5: Solve for x
    x = 1,026,914,273,274.40/1,158,557.83
  6. Step 6: Final answer
    x = 886,372.91

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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.