Home / 1,384,347.60-2,074,966.20-710,168.40

Finding the Fourth Proportional to 1,384,347.60, 2,074,966.20 and 710,168.40

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Solution

The fourth proportional to 1,384,347.60, 2,074,966.20 and 710,168.40 is: 1,064,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,347.60 : 2,074,966.20 = 710,168.40 : x
  2. Step 2: Convert to fraction form
    1,384,347.60/2,074,966.20 = 710,168.40/x
  3. Step 3: Cross multiply
    1,384,347.60x = 2,074,966.20 × 710,168.40
  4. Step 4: Simplify right side
    1,384,347.60x = 1,473,575,426,308.08
  5. Step 5: Solve for x
    x = 1,473,575,426,308.08/1,384,347.60
  6. Step 6: Final answer
    x = 1,064,454.78

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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.