Home / 1,000,145.64-1,380,205.38-541,260.28

Finding the Fourth Proportional to 1,000,145.64, 1,380,205.38 and 541,260.28

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Solution

The fourth proportional to 1,000,145.64, 1,380,205.38 and 541,260.28 is: 746,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,145.64 : 1,380,205.38 = 541,260.28 : x
  2. Step 2: Convert to fraction form
    1,000,145.64/1,380,205.38 = 541,260.28/x
  3. Step 3: Cross multiply
    1,000,145.64x = 1,380,205.38 × 541,260.28
  4. Step 4: Simplify right side
    1,000,145.64x = 747,050,350,436.31
  5. Step 5: Solve for x
    x = 747,050,350,436.31/1,000,145.64
  6. Step 6: Final answer
    x = 746,941.57

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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.