Home / 1,359,187.40-1,875,468.66-786,280.88

Finding the Fourth Proportional to 1,359,187.40, 1,875,468.66 and 786,280.88

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Solution

The fourth proportional to 1,359,187.40, 1,875,468.66 and 786,280.88 is: 1,084,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,187.40 : 1,875,468.66 = 786,280.88 : x
  2. Step 2: Convert to fraction form
    1,359,187.40/1,875,468.66 = 786,280.88/x
  3. Step 3: Cross multiply
    1,359,187.40x = 1,875,468.66 × 786,280.88
  4. Step 4: Simplify right side
    1,359,187.40x = 1,474,645,148,397.22
  5. Step 5: Solve for x
    x = 1,474,645,148,397.22/1,359,187.40
  6. Step 6: Final answer
    x = 1,084,946.16

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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.