Home / 1,061,838.72-1,589,014.80-662,666.40

Finding the Fourth Proportional to 1,061,838.72, 1,589,014.80 and 662,666.40

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Solution

The fourth proportional to 1,061,838.72, 1,589,014.80 and 662,666.40 is: 991,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,838.72 : 1,589,014.80 = 662,666.40 : x
  2. Step 2: Convert to fraction form
    1,061,838.72/1,589,014.80 = 662,666.40/x
  3. Step 3: Cross multiply
    1,061,838.72x = 1,589,014.80 × 662,666.40
  4. Step 4: Simplify right side
    1,061,838.72x = 1,052,986,717,062.72
  5. Step 5: Solve for x
    x = 1,052,986,717,062.72/1,061,838.72
  6. Step 6: Final answer
    x = 991,663.51

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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.