Home / 1,517,175.60-2,275,763.40-1,038,878.70

Finding the Fourth Proportional to 1,517,175.60, 2,275,763.40 and 1,038,878.70

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Solution

The fourth proportional to 1,517,175.60, 2,275,763.40 and 1,038,878.70 is: 1,558,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,175.60 : 2,275,763.40 = 1,038,878.70 : x
  2. Step 2: Convert to fraction form
    1,517,175.60/2,275,763.40 = 1,038,878.70/x
  3. Step 3: Cross multiply
    1,517,175.60x = 2,275,763.40 × 1,038,878.70
  4. Step 4: Simplify right side
    1,517,175.60x = 2,364,242,122,499.58
  5. Step 5: Solve for x
    x = 2,364,242,122,499.58/1,517,175.60
  6. Step 6: Final answer
    x = 1,558,318.05

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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.