Home / 1,232,000.91-1,700,143.02-688,144.59

Finding the Fourth Proportional to 1,232,000.91, 1,700,143.02 and 688,144.59

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Solution

The fourth proportional to 1,232,000.91, 1,700,143.02 and 688,144.59 is: 949,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,000.91 : 1,700,143.02 = 688,144.59 : x
  2. Step 2: Convert to fraction form
    1,232,000.91/1,700,143.02 = 688,144.59/x
  3. Step 3: Cross multiply
    1,232,000.91x = 1,700,143.02 × 688,144.59
  4. Step 4: Simplify right side
    1,232,000.91x = 1,169,944,221,439.26
  5. Step 5: Solve for x
    x = 1,169,944,221,439.26/1,232,000.91
  6. Step 6: Final answer
    x = 949,629.35

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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.