Home / 1,000,347.06-1,380,102.12-656,372.88

Finding the Fourth Proportional to 1,000,347.06, 1,380,102.12 and 656,372.88

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Solution

The fourth proportional to 1,000,347.06, 1,380,102.12 and 656,372.88 is: 905,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,347.06 : 1,380,102.12 = 656,372.88 : x
  2. Step 2: Convert to fraction form
    1,000,347.06/1,380,102.12 = 656,372.88/x
  3. Step 3: Cross multiply
    1,000,347.06x = 1,380,102.12 × 656,372.88
  4. Step 4: Simplify right side
    1,000,347.06x = 905,861,603,198.51
  5. Step 5: Solve for x
    x = 905,861,603,198.51/1,000,347.06
  6. Step 6: Final answer
    x = 905,547.32

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1.5x scale

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.