Home / 1,025,175.80-1,539,318.90-788,785.40

Finding the Fourth Proportional to 1,025,175.80, 1,539,318.90 and 788,785.40

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Solution

The fourth proportional to 1,025,175.80, 1,539,318.90 and 788,785.40 is: 1,184,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,175.80 : 1,539,318.90 = 788,785.40 : x
  2. Step 2: Convert to fraction form
    1,025,175.80/1,539,318.90 = 788,785.40/x
  3. Step 3: Cross multiply
    1,025,175.80x = 1,539,318.90 × 788,785.40
  4. Step 4: Simplify right side
    1,025,175.80x = 1,214,192,274,264.06
  5. Step 5: Solve for x
    x = 1,214,192,274,264.06/1,025,175.80
  6. Step 6: Final answer
    x = 1,184,374.69

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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.