Home / 1,314,279.72-1,813,707.99-710,667.72

Finding the Fourth Proportional to 1,314,279.72, 1,813,707.99 and 710,667.72

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Solution

The fourth proportional to 1,314,279.72, 1,813,707.99 and 710,667.72 is: 980,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,279.72 : 1,813,707.99 = 710,667.72 : x
  2. Step 2: Convert to fraction form
    1,314,279.72/1,813,707.99 = 710,667.72/x
  3. Step 3: Cross multiply
    1,314,279.72x = 1,813,707.99 × 710,667.72
  4. Step 4: Simplify right side
    1,314,279.72x = 1,288,943,721,999.08
  5. Step 5: Solve for x
    x = 1,288,943,721,999.08/1,314,279.72
  6. Step 6: Final answer
    x = 980,722.52

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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.