Home / 1,040,115.35-1,434,931.76-632,151.47

Finding the Fourth Proportional to 1,040,115.35, 1,434,931.76 and 632,151.47

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Solution

The fourth proportional to 1,040,115.35, 1,434,931.76 and 632,151.47 is: 872,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,115.35 : 1,434,931.76 = 632,151.47 : x
  2. Step 2: Convert to fraction form
    1,040,115.35/1,434,931.76 = 632,151.47/x
  3. Step 3: Cross multiply
    1,040,115.35x = 1,434,931.76 × 632,151.47
  4. Step 4: Simplify right side
    1,040,115.35x = 907,094,226,601.40
  5. Step 5: Solve for x
    x = 907,094,226,601.40/1,040,115.35
  6. Step 6: Final answer
    x = 872,109.26

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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.