Home / 751,070.66-1,121,142.53-695,564.60

Finding the Fourth Proportional to 751,070.66, 1,121,142.53 and 695,564.60

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Solution

The fourth proportional to 751,070.66, 1,121,142.53 and 695,564.60 is: 1,038,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,070.66 : 1,121,142.53 = 695,564.60 : x
  2. Step 2: Convert to fraction form
    751,070.66/1,121,142.53 = 695,564.60/x
  3. Step 3: Cross multiply
    751,070.66x = 1,121,142.53 × 695,564.60
  4. Step 4: Simplify right side
    751,070.66x = 779,827,046,338.90
  5. Step 5: Solve for x
    x = 779,827,046,338.90/751,070.66
  6. Step 6: Final answer
    x = 1,038,287.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.