Home / 1,314,042.75-1,813,379.40-710,430.75

Finding the Fourth Proportional to 1,314,042.75, 1,813,379.40 and 710,430.75

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Solution

The fourth proportional to 1,314,042.75, 1,813,379.40 and 710,430.75 is: 980,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,042.75 : 1,813,379.40 = 710,430.75 : x
  2. Step 2: Convert to fraction form
    1,314,042.75/1,813,379.40 = 710,430.75/x
  3. Step 3: Cross multiply
    1,314,042.75x = 1,813,379.40 × 710,430.75
  4. Step 4: Simplify right side
    1,314,042.75x = 1,288,280,487,176.55
  5. Step 5: Solve for x
    x = 1,288,280,487,176.55/1,314,042.75
  6. Step 6: Final answer
    x = 980,394.65

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Double scale
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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.