Home / 1,004,344.62-1,385,407.70-678,219.18

Finding the Fourth Proportional to 1,004,344.62, 1,385,407.70 and 678,219.18

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Solution

The fourth proportional to 1,004,344.62, 1,385,407.70 and 678,219.18 is: 935,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,344.62 : 1,385,407.70 = 678,219.18 : x
  2. Step 2: Convert to fraction form
    1,004,344.62/1,385,407.70 = 678,219.18/x
  3. Step 3: Cross multiply
    1,004,344.62x = 1,385,407.70 × 678,219.18
  4. Step 4: Simplify right side
    1,004,344.62x = 939,610,074,259.69
  5. Step 5: Solve for x
    x = 939,610,074,259.69/1,004,344.62
  6. Step 6: Final answer
    x = 935,545.48

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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.