Home / 1,110,585.12-1,664,132.32-858,483.55

Finding the Fourth Proportional to 1,110,585.12, 1,664,132.32 and 858,483.55

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Solution

The fourth proportional to 1,110,585.12, 1,664,132.32 and 858,483.55 is: 1,286,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,585.12 : 1,664,132.32 = 858,483.55 : x
  2. Step 2: Convert to fraction form
    1,110,585.12/1,664,132.32 = 858,483.55/x
  3. Step 3: Cross multiply
    1,110,585.12x = 1,664,132.32 × 858,483.55
  4. Step 4: Simplify right side
    1,110,585.12x = 1,428,630,221,743.34
  5. Step 5: Solve for x
    x = 1,428,630,221,743.34/1,110,585.12
  6. Step 6: Final answer
    x = 1,286,376.16

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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.