Home / 1,506,327.16-2,078,766.82-861,807.32

Finding the Fourth Proportional to 1,506,327.16, 2,078,766.82 and 861,807.32

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Solution

The fourth proportional to 1,506,327.16, 2,078,766.82 and 861,807.32 is: 1,189,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,327.16 : 2,078,766.82 = 861,807.32 : x
  2. Step 2: Convert to fraction form
    1,506,327.16/2,078,766.82 = 861,807.32/x
  3. Step 3: Cross multiply
    1,506,327.16x = 2,078,766.82 × 861,807.32
  4. Step 4: Simplify right side
    1,506,327.16x = 1,791,496,462,049.12
  5. Step 5: Solve for x
    x = 1,791,496,462,049.12/1,506,327.16
  6. Step 6: Final answer
    x = 1,189,314.32

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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.