Home / 1,997,156.90-2,995,440.06-734,689.28

Finding the Fourth Proportional to 1,997,156.90, 2,995,440.06 and 734,689.28

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Solution

The fourth proportional to 1,997,156.90, 2,995,440.06 and 734,689.28 is: 1,101,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,156.90 : 2,995,440.06 = 734,689.28 : x
  2. Step 2: Convert to fraction form
    1,997,156.90/2,995,440.06 = 734,689.28/x
  3. Step 3: Cross multiply
    1,997,156.90x = 2,995,440.06 × 734,689.28
  4. Step 4: Simplify right side
    1,997,156.90x = 2,200,717,700,964.56
  5. Step 5: Solve for x
    x = 2,200,717,700,964.56/1,997,156.90
  6. Step 6: Final answer
    x = 1,101,925.29

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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.