Home / 1,127,554.28-1,688,013.66-752,647.40

Finding the Fourth Proportional to 1,127,554.28, 1,688,013.66 and 752,647.40

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Solution

The fourth proportional to 1,127,554.28, 1,688,013.66 and 752,647.40 is: 1,126,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,554.28 : 1,688,013.66 = 752,647.40 : x
  2. Step 2: Convert to fraction form
    1,127,554.28/1,688,013.66 = 752,647.40/x
  3. Step 3: Cross multiply
    1,127,554.28x = 1,688,013.66 × 752,647.40
  4. Step 4: Simplify right side
    1,127,554.28x = 1,270,479,092,363.48
  5. Step 5: Solve for x
    x = 1,270,479,092,363.48/1,127,554.28
  6. Step 6: Final answer
    x = 1,126,756.48

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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.