Home / 1,242,252.60-1,863,638.10-709,337.40

Finding the Fourth Proportional to 1,242,252.60, 1,863,638.10 and 709,337.40

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Solution

The fourth proportional to 1,242,252.60, 1,863,638.10 and 709,337.40 is: 1,064,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,252.60 : 1,863,638.10 = 709,337.40 : x
  2. Step 2: Convert to fraction form
    1,242,252.60/1,863,638.10 = 709,337.40/x
  3. Step 3: Cross multiply
    1,242,252.60x = 1,863,638.10 × 709,337.40
  4. Step 4: Simplify right side
    1,242,252.60x = 1,321,948,204,394.94
  5. Step 5: Solve for x
    x = 1,321,948,204,394.94/1,242,252.60
  6. Step 6: Final answer
    x = 1,064,154.11

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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.