Home / 1,312,825.02-1,811,673.27-739,853.70

Finding the Fourth Proportional to 1,312,825.02, 1,811,673.27 and 739,853.70

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Solution

The fourth proportional to 1,312,825.02, 1,811,673.27 and 739,853.70 is: 1,020,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,825.02 : 1,811,673.27 = 739,853.70 : x
  2. Step 2: Convert to fraction form
    1,312,825.02/1,811,673.27 = 739,853.70/x
  3. Step 3: Cross multiply
    1,312,825.02x = 1,811,673.27 × 739,853.70
  4. Step 4: Simplify right side
    1,312,825.02x = 1,340,373,172,000.60
  5. Step 5: Solve for x
    x = 1,340,373,172,000.60/1,312,825.02
  6. Step 6: Final answer
    x = 1,020,983.87

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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.