Home / 1,013,039.12-1,397,947.74-554,147.12

Finding the Fourth Proportional to 1,013,039.12, 1,397,947.74 and 554,147.12

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Solution

The fourth proportional to 1,013,039.12, 1,397,947.74 and 554,147.12 is: 764,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,039.12 : 1,397,947.74 = 554,147.12 : x
  2. Step 2: Convert to fraction form
    1,013,039.12/1,397,947.74 = 554,147.12/x
  3. Step 3: Cross multiply
    1,013,039.12x = 1,397,947.74 × 554,147.12
  4. Step 4: Simplify right side
    1,013,039.12x = 774,668,714,031.51
  5. Step 5: Solve for x
    x = 774,668,714,031.51/1,013,039.12
  6. Step 6: Final answer
    x = 764,697.73

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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.