Home / 1,002,689.51-1,383,713.80-572,968.61

Finding the Fourth Proportional to 1,002,689.51, 1,383,713.80 and 572,968.61

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Solution

The fourth proportional to 1,002,689.51, 1,383,713.80 and 572,968.61 is: 790,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,689.51 : 1,383,713.80 = 572,968.61 : x
  2. Step 2: Convert to fraction form
    1,002,689.51/1,383,713.80 = 572,968.61/x
  3. Step 3: Cross multiply
    1,002,689.51x = 1,383,713.80 × 572,968.61
  4. Step 4: Simplify right side
    1,002,689.51x = 792,824,574,159.16
  5. Step 5: Solve for x
    x = 792,824,574,159.16/1,002,689.51
  6. Step 6: Final answer
    x = 790,697.99

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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.