Home / 1,416,304.85-2,125,085.25-742,225.89

Finding the Fourth Proportional to 1,416,304.85, 2,125,085.25 and 742,225.89

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Solution

The fourth proportional to 1,416,304.85, 2,125,085.25 and 742,225.89 is: 1,113,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,304.85 : 2,125,085.25 = 742,225.89 : x
  2. Step 2: Convert to fraction form
    1,416,304.85/2,125,085.25 = 742,225.89/x
  3. Step 3: Cross multiply
    1,416,304.85x = 2,125,085.25 × 742,225.89
  4. Step 4: Simplify right side
    1,416,304.85x = 1,577,293,287,549.97
  5. Step 5: Solve for x
    x = 1,577,293,287,549.97/1,416,304.85
  6. Step 6: Final answer
    x = 1,113,667.93

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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.