Home / 1,384,191.60-2,074,732.20-710,012.40

Finding the Fourth Proportional to 1,384,191.60, 2,074,732.20 and 710,012.40

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Solution

The fourth proportional to 1,384,191.60, 2,074,732.20 and 710,012.40 is: 1,064,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,191.60 : 2,074,732.20 = 710,012.40 : x
  2. Step 2: Convert to fraction form
    1,384,191.60/2,074,732.20 = 710,012.40/x
  3. Step 3: Cross multiply
    1,384,191.60x = 2,074,732.20 × 710,012.40
  4. Step 4: Simplify right side
    1,384,191.60x = 1,473,085,588,679.28
  5. Step 5: Solve for x
    x = 1,473,085,588,679.28/1,384,191.60
  6. Step 6: Final answer
    x = 1,064,220.87

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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.