Home / 1,321,225.61-1,823,419.32-740,547.38

Finding the Fourth Proportional to 1,321,225.61, 1,823,419.32 and 740,547.38

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Solution

The fourth proportional to 1,321,225.61, 1,823,419.32 and 740,547.38 is: 1,022,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,225.61 : 1,823,419.32 = 740,547.38 : x
  2. Step 2: Convert to fraction form
    1,321,225.61/1,823,419.32 = 740,547.38/x
  3. Step 3: Cross multiply
    1,321,225.61x = 1,823,419.32 × 740,547.38
  4. Step 4: Simplify right side
    1,321,225.61x = 1,350,328,400,067.38
  5. Step 5: Solve for x
    x = 1,350,328,400,067.38/1,321,225.61
  6. Step 6: Final answer
    x = 1,022,027.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.