Home / 1,005,512.43-1,387,590.57-546,638.40

Finding the Fourth Proportional to 1,005,512.43, 1,387,590.57 and 546,638.40

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Solution

The fourth proportional to 1,005,512.43, 1,387,590.57 and 546,638.40 is: 754,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,512.43 : 1,387,590.57 = 546,638.40 : x
  2. Step 2: Convert to fraction form
    1,005,512.43/1,387,590.57 = 546,638.40/x
  3. Step 3: Cross multiply
    1,005,512.43x = 1,387,590.57 × 546,638.40
  4. Step 4: Simplify right side
    1,005,512.43x = 758,510,289,039.89
  5. Step 5: Solve for x
    x = 758,510,289,039.89/1,005,512.43
  6. Step 6: Final answer
    x = 754,351.98

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1.5x scale

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.