Home / 1,321,153.34-1,823,130.59-748,197.61

Finding the Fourth Proportional to 1,321,153.34, 1,823,130.59 and 748,197.61

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Solution

The fourth proportional to 1,321,153.34, 1,823,130.59 and 748,197.61 is: 1,032,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,153.34 : 1,823,130.59 = 748,197.61 : x
  2. Step 2: Convert to fraction form
    1,321,153.34/1,823,130.59 = 748,197.61/x
  3. Step 3: Cross multiply
    1,321,153.34x = 1,823,130.59 × 748,197.61
  4. Step 4: Simplify right side
    1,321,153.34x = 1,364,061,941,857.08
  5. Step 5: Solve for x
    x = 1,364,061,941,857.08/1,321,153.34
  6. Step 6: Final answer
    x = 1,032,478.14

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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.