Home / 1,000,347.25-1,380,479.28-547,638.25

Finding the Fourth Proportional to 1,000,347.25, 1,380,479.28 and 547,638.25

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Solution

The fourth proportional to 1,000,347.25, 1,380,479.28 and 547,638.25 is: 755,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,347.25 : 1,380,479.28 = 547,638.25 : x
  2. Step 2: Convert to fraction form
    1,000,347.25/1,380,479.28 = 547,638.25/x
  3. Step 3: Cross multiply
    1,000,347.25x = 1,380,479.28 × 547,638.25
  4. Step 4: Simplify right side
    1,000,347.25x = 756,003,257,060.46
  5. Step 5: Solve for x
    x = 756,003,257,060.46/1,000,347.25
  6. Step 6: Final answer
    x = 755,740.83

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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.