Home / 970,076.40-1,455,114.60-816,111.60

Finding the Fourth Proportional to 970,076.40, 1,455,114.60 and 816,111.60

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Solution

The fourth proportional to 970,076.40, 1,455,114.60 and 816,111.60 is: 1,224,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,076.40 : 1,455,114.60 = 816,111.60 : x
  2. Step 2: Convert to fraction form
    970,076.40/1,455,114.60 = 816,111.60/x
  3. Step 3: Cross multiply
    970,076.40x = 1,455,114.60 × 816,111.60
  4. Step 4: Simplify right side
    970,076.40x = 1,187,535,904,389.36
  5. Step 5: Solve for x
    x = 1,187,535,904,389.36/970,076.40
  6. Step 6: Final answer
    x = 1,224,167.40

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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.