Home / 1,132,394.02-1,698,066.16-422,231.38

Finding the Fourth Proportional to 1,132,394.02, 1,698,066.16 and 422,231.38

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Solution

The fourth proportional to 1,132,394.02, 1,698,066.16 and 422,231.38 is: 633,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,394.02 : 1,698,066.16 = 422,231.38 : x
  2. Step 2: Convert to fraction form
    1,132,394.02/1,698,066.16 = 422,231.38/x
  3. Step 3: Cross multiply
    1,132,394.02x = 1,698,066.16 × 422,231.38
  4. Step 4: Simplify right side
    1,132,394.02x = 716,976,818,068.10
  5. Step 5: Solve for x
    x = 716,976,818,068.10/1,132,394.02
  6. Step 6: Final answer
    x = 633,151.36

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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.