Home / 1,148,206.66-1,584,966.09-862,555.30

Finding the Fourth Proportional to 1,148,206.66, 1,584,966.09 and 862,555.30

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Solution

The fourth proportional to 1,148,206.66, 1,584,966.09 and 862,555.30 is: 1,190,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,206.66 : 1,584,966.09 = 862,555.30 : x
  2. Step 2: Convert to fraction form
    1,148,206.66/1,584,966.09 = 862,555.30/x
  3. Step 3: Cross multiply
    1,148,206.66x = 1,584,966.09 × 862,555.30
  4. Step 4: Simplify right side
    1,148,206.66x = 1,367,120,901,249.78
  5. Step 5: Solve for x
    x = 1,367,120,901,249.78/1,148,206.66
  6. Step 6: Final answer
    x = 1,190,657.53

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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.