Home / 1,787,561.52-2,677,752.18-826,670.28

Finding the Fourth Proportional to 1,787,561.52, 2,677,752.18 and 826,670.28

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Solution

The fourth proportional to 1,787,561.52, 2,677,752.18 and 826,670.28 is: 1,238,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,561.52 : 2,677,752.18 = 826,670.28 : x
  2. Step 2: Convert to fraction form
    1,787,561.52/2,677,752.18 = 826,670.28/x
  3. Step 3: Cross multiply
    1,787,561.52x = 2,677,752.18 × 826,670.28
  4. Step 4: Simplify right side
    1,787,561.52x = 2,213,618,144,411.21
  5. Step 5: Solve for x
    x = 2,213,618,144,411.21/1,787,561.52
  6. Step 6: Final answer
    x = 1,238,345.15

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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.