Home / 1,580,153.28-2,180,605.50-855,002.40

Finding the Fourth Proportional to 1,580,153.28, 2,180,605.50 and 855,002.40

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Solution

The fourth proportional to 1,580,153.28, 2,180,605.50 and 855,002.40 is: 1,179,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,153.28 : 2,180,605.50 = 855,002.40 : x
  2. Step 2: Convert to fraction form
    1,580,153.28/2,180,605.50 = 855,002.40/x
  3. Step 3: Cross multiply
    1,580,153.28x = 2,180,605.50 × 855,002.40
  4. Step 4: Simplify right side
    1,580,153.28x = 1,864,422,935,953.20
  5. Step 5: Solve for x
    x = 1,864,422,935,953.20/1,580,153.28
  6. Step 6: Final answer
    x = 1,179,900.05

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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.