Home / 1,520,321.55-2,098,266.32-875,616.27

Finding the Fourth Proportional to 1,520,321.55, 2,098,266.32 and 875,616.27

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Solution

The fourth proportional to 1,520,321.55, 2,098,266.32 and 875,616.27 is: 1,208,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,321.55 : 2,098,266.32 = 875,616.27 : x
  2. Step 2: Convert to fraction form
    1,520,321.55/2,098,266.32 = 875,616.27/x
  3. Step 3: Cross multiply
    1,520,321.55x = 2,098,266.32 × 875,616.27
  4. Step 4: Simplify right side
    1,520,321.55x = 1,837,276,124,206.95
  5. Step 5: Solve for x
    x = 1,837,276,124,206.95/1,520,321.55
  6. Step 6: Final answer
    x = 1,208,478.64

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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.