Home / 970,642.60-1,455,963.90-867,999.40

Finding the Fourth Proportional to 970,642.60, 1,455,963.90 and 867,999.40

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Solution

The fourth proportional to 970,642.60, 1,455,963.90 and 867,999.40 is: 1,301,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,642.60 : 1,455,963.90 = 867,999.40 : x
  2. Step 2: Convert to fraction form
    970,642.60/1,455,963.90 = 867,999.40/x
  3. Step 3: Cross multiply
    970,642.60x = 1,455,963.90 × 867,999.40
  4. Step 4: Simplify right side
    970,642.60x = 1,263,775,791,621.66
  5. Step 5: Solve for x
    x = 1,263,775,791,621.66/970,642.60
  6. Step 6: Final answer
    x = 1,301,999.10

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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.