Home / 1,580,417.50-2,180,957.70-855,248.44

Finding the Fourth Proportional to 1,580,417.50, 2,180,957.70 and 855,248.44

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Solution

The fourth proportional to 1,580,417.50, 2,180,957.70 and 855,248.44 is: 1,180,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,417.50 : 2,180,957.70 = 855,248.44 : x
  2. Step 2: Convert to fraction form
    1,580,417.50/2,180,957.70 = 855,248.44/x
  3. Step 3: Cross multiply
    1,580,417.50x = 2,180,957.70 × 855,248.44
  4. Step 4: Simplify right side
    1,580,417.50x = 1,865,260,670,630.99
  5. Step 5: Solve for x
    x = 1,865,260,670,630.99/1,580,417.50
  6. Step 6: Final answer
    x = 1,180,232.86

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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.