Home / 970,140.40-1,455,210.60-816,175.60

Finding the Fourth Proportional to 970,140.40, 1,455,210.60 and 816,175.60

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Solution

The fourth proportional to 970,140.40, 1,455,210.60 and 816,175.60 is: 1,224,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,140.40 : 1,455,210.60 = 816,175.60 : x
  2. Step 2: Convert to fraction form
    970,140.40/1,455,210.60 = 816,175.60/x
  3. Step 3: Cross multiply
    970,140.40x = 1,455,210.60 × 816,175.60
  4. Step 4: Simplify right side
    970,140.40x = 1,187,707,384,581.36
  5. Step 5: Solve for x
    x = 1,187,707,384,581.36/970,140.40
  6. Step 6: Final answer
    x = 1,224,263.40

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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.