Home / 1,549,251.56-2,138,373.16-870,406.76

Finding the Fourth Proportional to 1,549,251.56, 2,138,373.16 and 870,406.76

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Solution

The fourth proportional to 1,549,251.56, 2,138,373.16 and 870,406.76 is: 1,201,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,251.56 : 2,138,373.16 = 870,406.76 : x
  2. Step 2: Convert to fraction form
    1,549,251.56/2,138,373.16 = 870,406.76/x
  3. Step 3: Cross multiply
    1,549,251.56x = 2,138,373.16 × 870,406.76
  4. Step 4: Simplify right side
    1,549,251.56x = 1,861,254,453,866.56
  5. Step 5: Solve for x
    x = 1,861,254,453,866.56/1,549,251.56
  6. Step 6: Final answer
    x = 1,201,389.43

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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.