Home / 1,087,787.08-1,501,058.05-628,931.12

Finding the Fourth Proportional to 1,087,787.08, 1,501,058.05 and 628,931.12

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Solution

The fourth proportional to 1,087,787.08, 1,501,058.05 and 628,931.12 is: 867,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,787.08 : 1,501,058.05 = 628,931.12 : x
  2. Step 2: Convert to fraction form
    1,087,787.08/1,501,058.05 = 628,931.12/x
  3. Step 3: Cross multiply
    1,087,787.08x = 1,501,058.05 × 628,931.12
  4. Step 4: Simplify right side
    1,087,787.08x = 944,062,120,571.52
  5. Step 5: Solve for x
    x = 944,062,120,571.52/1,087,787.08
  6. Step 6: Final answer
    x = 867,874.00

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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.