Home / 1,013,875.96-1,399,025.10-807,669.52

Finding the Fourth Proportional to 1,013,875.96, 1,399,025.10 and 807,669.52

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Solution

The fourth proportional to 1,013,875.96, 1,399,025.10 and 807,669.52 is: 1,114,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,875.96 : 1,399,025.10 = 807,669.52 : x
  2. Step 2: Convert to fraction form
    1,013,875.96/1,399,025.10 = 807,669.52/x
  3. Step 3: Cross multiply
    1,013,875.96x = 1,399,025.10 × 807,669.52
  4. Step 4: Simplify right side
    1,013,875.96x = 1,129,949,930,984.95
  5. Step 5: Solve for x
    x = 1,129,949,930,984.95/1,013,875.96
  6. Step 6: Final answer
    x = 1,114,485.38

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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.