Home / 1,191,527.98-1,643,648.40-755,143.90

Finding the Fourth Proportional to 1,191,527.98, 1,643,648.40 and 755,143.90

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Solution

The fourth proportional to 1,191,527.98, 1,643,648.40 and 755,143.90 is: 1,041,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,527.98 : 1,643,648.40 = 755,143.90 : x
  2. Step 2: Convert to fraction form
    1,191,527.98/1,643,648.40 = 755,143.90/x
  3. Step 3: Cross multiply
    1,191,527.98x = 1,643,648.40 × 755,143.90
  4. Step 4: Simplify right side
    1,191,527.98x = 1,241,191,063,004.76
  5. Step 5: Solve for x
    x = 1,241,191,063,004.76/1,191,527.98
  6. Step 6: Final answer
    x = 1,041,680.17

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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.