Home / 1,046,240.29-1,443,969.18-638,579.03

Finding the Fourth Proportional to 1,046,240.29, 1,443,969.18 and 638,579.03

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Solution

The fourth proportional to 1,046,240.29, 1,443,969.18 and 638,579.03 is: 881,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,240.29 : 1,443,969.18 = 638,579.03 : x
  2. Step 2: Convert to fraction form
    1,046,240.29/1,443,969.18 = 638,579.03/x
  3. Step 3: Cross multiply
    1,046,240.29x = 1,443,969.18 × 638,579.03
  4. Step 4: Simplify right side
    1,046,240.29x = 922,088,431,094.45
  5. Step 5: Solve for x
    x = 922,088,431,094.45/1,046,240.29
  6. Step 6: Final answer
    x = 881,335.23

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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.