Home / 1,191,526.98-1,643,647.02-755,142.90

Finding the Fourth Proportional to 1,191,526.98, 1,643,647.02 and 755,142.90

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Solution

The fourth proportional to 1,191,526.98, 1,643,647.02 and 755,142.90 is: 1,041,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,526.98 : 1,643,647.02 = 755,142.90 : x
  2. Step 2: Convert to fraction form
    1,191,526.98/1,643,647.02 = 755,142.90/x
  3. Step 3: Cross multiply
    1,191,526.98x = 1,643,647.02 × 755,142.90
  4. Step 4: Simplify right side
    1,191,526.98x = 1,241,188,377,259.16
  5. Step 5: Solve for x
    x = 1,241,188,377,259.16/1,191,526.98
  6. Step 6: Final answer
    x = 1,041,678.79

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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.