Home / 1,178,500.26-1,626,277.86-688,515.24

Finding the Fourth Proportional to 1,178,500.26, 1,626,277.86 and 688,515.24

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Solution

The fourth proportional to 1,178,500.26, 1,626,277.86 and 688,515.24 is: 950,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,500.26 : 1,626,277.86 = 688,515.24 : x
  2. Step 2: Convert to fraction form
    1,178,500.26/1,626,277.86 = 688,515.24/x
  3. Step 3: Cross multiply
    1,178,500.26x = 1,626,277.86 × 688,515.24
  4. Step 4: Simplify right side
    1,178,500.26x = 1,119,717,091,084.59
  5. Step 5: Solve for x
    x = 1,119,717,091,084.59/1,178,500.26
  6. Step 6: Final answer
    x = 950,120.36

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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.