Home / 1,506,279.74-2,078,658.48-817,945.45

Finding the Fourth Proportional to 1,506,279.74, 2,078,658.48 and 817,945.45

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Solution

The fourth proportional to 1,506,279.74, 2,078,658.48 and 817,945.45 is: 1,128,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,279.74 : 2,078,658.48 = 817,945.45 : x
  2. Step 2: Convert to fraction form
    1,506,279.74/2,078,658.48 = 817,945.45/x
  3. Step 3: Cross multiply
    1,506,279.74x = 2,078,658.48 × 817,945.45
  4. Step 4: Simplify right side
    1,506,279.74x = 1,700,229,235,426.62
  5. Step 5: Solve for x
    x = 1,700,229,235,426.62/1,506,279.74
  6. Step 6: Final answer
    x = 1,128,760.61

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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.