Home / 970,081.80-1,455,381.90-865,624.20

Finding the Fourth Proportional to 970,081.80, 1,455,381.90 and 865,624.20

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Solution

The fourth proportional to 970,081.80, 1,455,381.90 and 865,624.20 is: 1,298,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,081.80 : 1,455,381.90 = 865,624.20 : x
  2. Step 2: Convert to fraction form
    970,081.80/1,455,381.90 = 865,624.20/x
  3. Step 3: Cross multiply
    970,081.80x = 1,455,381.90 × 865,624.20
  4. Step 4: Simplify right side
    970,081.80x = 1,259,813,792,881.98
  5. Step 5: Solve for x
    x = 1,259,813,792,881.98/970,081.80
  6. Step 6: Final answer
    x = 1,298,667.59

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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.