Home / 1,515,411.60-2,273,117.40-1,116,830.85

Finding the Fourth Proportional to 1,515,411.60, 2,273,117.40 and 1,116,830.85

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Solution

The fourth proportional to 1,515,411.60, 2,273,117.40 and 1,116,830.85 is: 1,675,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,411.60 : 2,273,117.40 = 1,116,830.85 : x
  2. Step 2: Convert to fraction form
    1,515,411.60/2,273,117.40 = 1,116,830.85/x
  3. Step 3: Cross multiply
    1,515,411.60x = 2,273,117.40 × 1,116,830.85
  4. Step 4: Simplify right side
    1,515,411.60x = 2,538,687,637,991.79
  5. Step 5: Solve for x
    x = 2,538,687,637,991.79/1,515,411.60
  6. Step 6: Final answer
    x = 1,675,246.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.