Home / 1,005,193.55-1,387,176.28-546,309.30

Finding the Fourth Proportional to 1,005,193.55, 1,387,176.28 and 546,309.30

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Solution

The fourth proportional to 1,005,193.55, 1,387,176.28 and 546,309.30 is: 753,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,193.55 : 1,387,176.28 = 546,309.30 : x
  2. Step 2: Convert to fraction form
    1,005,193.55/1,387,176.28 = 546,309.30/x
  3. Step 3: Cross multiply
    1,005,193.55x = 1,387,176.28 × 546,309.30
  4. Step 4: Simplify right side
    1,005,193.55x = 757,827,302,503.40
  5. Step 5: Solve for x
    x = 757,827,302,503.40/1,005,193.55
  6. Step 6: Final answer
    x = 753,911.82

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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.