Home / 1,087,233.28-1,630,130.10-518,702.10

Finding the Fourth Proportional to 1,087,233.28, 1,630,130.10 and 518,702.10

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Solution

The fourth proportional to 1,087,233.28, 1,630,130.10 and 518,702.10 is: 777,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,233.28 : 1,630,130.10 = 518,702.10 : x
  2. Step 2: Convert to fraction form
    1,087,233.28/1,630,130.10 = 518,702.10/x
  3. Step 3: Cross multiply
    1,087,233.28x = 1,630,130.10 × 518,702.10
  4. Step 4: Simplify right side
    1,087,233.28x = 845,551,906,143.21
  5. Step 5: Solve for x
    x = 845,551,906,143.21/1,087,233.28
  6. Step 6: Final answer
    x = 777,709.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.