Home / 1,565,004.52-2,159,715.22-920,451.88

Finding the Fourth Proportional to 1,565,004.52, 2,159,715.22 and 920,451.88

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Solution

The fourth proportional to 1,565,004.52, 2,159,715.22 and 920,451.88 is: 1,270,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,004.52 : 2,159,715.22 = 920,451.88 : x
  2. Step 2: Convert to fraction form
    1,565,004.52/2,159,715.22 = 920,451.88/x
  3. Step 3: Cross multiply
    1,565,004.52x = 2,159,715.22 × 920,451.88
  4. Step 4: Simplify right side
    1,565,004.52x = 1,987,913,934,513.61
  5. Step 5: Solve for x
    x = 1,987,913,934,513.61/1,565,004.52
  6. Step 6: Final answer
    x = 1,270,228.88

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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.