Home / 1,269,445.12-1,751,802.60-710,631.79

Finding the Fourth Proportional to 1,269,445.12, 1,751,802.60 and 710,631.79

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Solution

The fourth proportional to 1,269,445.12, 1,751,802.60 and 710,631.79 is: 980,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,445.12 : 1,751,802.60 = 710,631.79 : x
  2. Step 2: Convert to fraction form
    1,269,445.12/1,751,802.60 = 710,631.79/x
  3. Step 3: Cross multiply
    1,269,445.12x = 1,751,802.60 × 710,631.79
  4. Step 4: Simplify right side
    1,269,445.12x = 1,244,886,617,364.65
  5. Step 5: Solve for x
    x = 1,244,886,617,364.65/1,269,445.12
  6. Step 6: Final answer
    x = 980,654.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.