Home / 1,487,137.30-2,052,262.47-808,073.80

Finding the Fourth Proportional to 1,487,137.30, 2,052,262.47 and 808,073.80

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Solution

The fourth proportional to 1,487,137.30, 2,052,262.47 and 808,073.80 is: 1,115,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,137.30 : 2,052,262.47 = 808,073.80 : x
  2. Step 2: Convert to fraction form
    1,487,137.30/2,052,262.47 = 808,073.80/x
  3. Step 3: Cross multiply
    1,487,137.30x = 2,052,262.47 × 808,073.80
  4. Step 4: Simplify right side
    1,487,137.30x = 1,658,379,532,730.29
  5. Step 5: Solve for x
    x = 1,658,379,532,730.29/1,487,137.30
  6. Step 6: Final answer
    x = 1,115,148.91

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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.