Home / 810,373.20-1,213,810.20-705,397.20

Finding the Fourth Proportional to 810,373.20, 1,213,810.20 and 705,397.20

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Solution

The fourth proportional to 810,373.20, 1,213,810.20 and 705,397.20 is: 1,056,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,373.20 : 1,213,810.20 = 705,397.20 : x
  2. Step 2: Convert to fraction form
    810,373.20/1,213,810.20 = 705,397.20/x
  3. Step 3: Cross multiply
    810,373.20x = 1,213,810.20 × 705,397.20
  4. Step 4: Simplify right side
    810,373.20x = 856,218,316,411.44
  5. Step 5: Solve for x
    x = 856,218,316,411.44/810,373.20
  6. Step 6: Final answer
    x = 1,056,572.84

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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.