Home / 1,580,427.99-2,180,990.52-855,275.72

Finding the Fourth Proportional to 1,580,427.99, 2,180,990.52 and 855,275.72

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Solution

The fourth proportional to 1,580,427.99, 2,180,990.52 and 855,275.72 is: 1,180,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,427.99 : 2,180,990.52 = 855,275.72 : x
  2. Step 2: Convert to fraction form
    1,580,427.99/2,180,990.52 = 855,275.72/x
  3. Step 3: Cross multiply
    1,580,427.99x = 2,180,990.52 × 855,275.72
  4. Step 4: Simplify right side
    1,580,427.99x = 1,865,348,226,401.22
  5. Step 5: Solve for x
    x = 1,865,348,226,401.22/1,580,427.99
  6. Step 6: Final answer
    x = 1,180,280.43

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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.