Home / 1,091,842.56-1,637,763.84-426,528

Finding the Fourth Proportional to 1,091,842.56, 1,637,763.84 and 426,528

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Solution

The fourth proportional to 1,091,842.56, 1,637,763.84 and 426,528 is: 639,792

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,842.56 : 1,637,763.84 = 426,528 : x
  2. Step 2: Convert to fraction form
    1,091,842.56/1,637,763.84 = 426,528/x
  3. Step 3: Cross multiply
    1,091,842.56x = 1,637,763.84 × 426,528
  4. Step 4: Simplify right side
    1,091,842.56x = 698,552,135,147.52
  5. Step 5: Solve for x
    x = 698,552,135,147.52/1,091,842.56
  6. Step 6: Final answer
    x = 639,792

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.