Home / 1,344,152.30-2,016,228.45-865,855.40

Finding the Fourth Proportional to 1,344,152.30, 2,016,228.45 and 865,855.40

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Solution

The fourth proportional to 1,344,152.30, 2,016,228.45 and 865,855.40 is: 1,298,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,152.30 : 2,016,228.45 = 865,855.40 : x
  2. Step 2: Convert to fraction form
    1,344,152.30/2,016,228.45 = 865,855.40/x
  3. Step 3: Cross multiply
    1,344,152.30x = 2,016,228.45 × 865,855.40
  4. Step 4: Simplify right side
    1,344,152.30x = 1,745,762,291,066.13
  5. Step 5: Solve for x
    x = 1,745,762,291,066.13/1,344,152.30
  6. Step 6: Final answer
    x = 1,298,783.10

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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.