Home / 1,005,271.45-1,387,288.64-546,385.88

Finding the Fourth Proportional to 1,005,271.45, 1,387,288.64 and 546,385.88

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Solution

The fourth proportional to 1,005,271.45, 1,387,288.64 and 546,385.88 is: 754,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,271.45 : 1,387,288.64 = 546,385.88 : x
  2. Step 2: Convert to fraction form
    1,005,271.45/1,387,288.64 = 546,385.88/x
  3. Step 3: Cross multiply
    1,005,271.45x = 1,387,288.64 × 546,385.88
  4. Step 4: Simplify right side
    1,005,271.45x = 757,994,929,214.59
  5. Step 5: Solve for x
    x = 757,994,929,214.59/1,005,271.45
  6. Step 6: Final answer
    x = 754,020.15

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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.