Home / 1,232,811.40-1,849,044.30-391,448.20

Finding the Fourth Proportional to 1,232,811.40, 1,849,044.30 and 391,448.20

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Solution

The fourth proportional to 1,232,811.40, 1,849,044.30 and 391,448.20 is: 587,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,811.40 : 1,849,044.30 = 391,448.20 : x
  2. Step 2: Convert to fraction form
    1,232,811.40/1,849,044.30 = 391,448.20/x
  3. Step 3: Cross multiply
    1,232,811.40x = 1,849,044.30 × 391,448.20
  4. Step 4: Simplify right side
    1,232,811.40x = 723,805,062,955.26
  5. Step 5: Solve for x
    x = 723,805,062,955.26/1,232,811.40
  6. Step 6: Final answer
    x = 587,117.43

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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.