Home / 1,005,011.25-1,386,921.18-546,129.64

Finding the Fourth Proportional to 1,005,011.25, 1,386,921.18 and 546,129.64

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Solution

The fourth proportional to 1,005,011.25, 1,386,921.18 and 546,129.64 is: 753,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,011.25 : 1,386,921.18 = 546,129.64 : x
  2. Step 2: Convert to fraction form
    1,005,011.25/1,386,921.18 = 546,129.64/x
  3. Step 3: Cross multiply
    1,005,011.25x = 1,386,921.18 × 546,129.64
  4. Step 4: Simplify right side
    1,005,011.25x = 757,438,764,741.78
  5. Step 5: Solve for x
    x = 757,438,764,741.78/1,005,011.25
  6. Step 6: Final answer
    x = 753,661.98

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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.