Home / 1,231,364.40-1,843,547.40-1,105,393.20

Finding the Fourth Proportional to 1,231,364.40, 1,843,547.40 and 1,105,393.20

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Solution

The fourth proportional to 1,231,364.40, 1,843,547.40 and 1,105,393.20 is: 1,654,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,364.40 : 1,843,547.40 = 1,105,393.20 : x
  2. Step 2: Convert to fraction form
    1,231,364.40/1,843,547.40 = 1,105,393.20/x
  3. Step 3: Cross multiply
    1,231,364.40x = 1,843,547.40 × 1,105,393.20
  4. Step 4: Simplify right side
    1,231,364.40x = 2,037,844,759,837.68
  5. Step 5: Solve for x
    x = 2,037,844,759,837.68/1,231,364.40
  6. Step 6: Final answer
    x = 1,654,948.58

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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.