Home / 970,363.60-1,455,545.40-867,720.40

Finding the Fourth Proportional to 970,363.60, 1,455,545.40 and 867,720.40

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Solution

The fourth proportional to 970,363.60, 1,455,545.40 and 867,720.40 is: 1,301,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,363.60 : 1,455,545.40 = 867,720.40 : x
  2. Step 2: Convert to fraction form
    970,363.60/1,455,545.40 = 867,720.40/x
  3. Step 3: Cross multiply
    970,363.60x = 1,455,545.40 × 867,720.40
  4. Step 4: Simplify right side
    970,363.60x = 1,263,006,436,706.16
  5. Step 5: Solve for x
    x = 1,263,006,436,706.16/970,363.60
  6. Step 6: Final answer
    x = 1,301,580.60

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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.