Home / 1,678,319.46-2,316,081.11-914,373.02

Finding the Fourth Proportional to 1,678,319.46, 2,316,081.11 and 914,373.02

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Solution

The fourth proportional to 1,678,319.46, 2,316,081.11 and 914,373.02 is: 1,261,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,319.46 : 2,316,081.11 = 914,373.02 : x
  2. Step 2: Convert to fraction form
    1,678,319.46/2,316,081.11 = 914,373.02/x
  3. Step 3: Cross multiply
    1,678,319.46x = 2,316,081.11 × 914,373.02
  4. Step 4: Simplify right side
    1,678,319.46x = 2,117,762,080,333.99
  5. Step 5: Solve for x
    x = 2,117,762,080,333.99/1,678,319.46
  6. Step 6: Final answer
    x = 1,261,834.91

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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.