Home / 1,353,995.50-1,868,513.79-750,422.38

Finding the Fourth Proportional to 1,353,995.50, 1,868,513.79 and 750,422.38

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Solution

The fourth proportional to 1,353,995.50, 1,868,513.79 and 750,422.38 is: 1,035,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,995.50 : 1,868,513.79 = 750,422.38 : x
  2. Step 2: Convert to fraction form
    1,353,995.50/1,868,513.79 = 750,422.38/x
  3. Step 3: Cross multiply
    1,353,995.50x = 1,868,513.79 × 750,422.38
  4. Step 4: Simplify right side
    1,353,995.50x = 1,402,174,565,354.62
  5. Step 5: Solve for x
    x = 1,402,174,565,354.62/1,353,995.50
  6. Step 6: Final answer
    x = 1,035,582.88

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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.