Home / 1,629,312.08-2,444,088.02-431,226.28

Finding the Fourth Proportional to 1,629,312.08, 2,444,088.02 and 431,226.28

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Solution

The fourth proportional to 1,629,312.08, 2,444,088.02 and 431,226.28 is: 646,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,312.08 : 2,444,088.02 = 431,226.28 : x
  2. Step 2: Convert to fraction form
    1,629,312.08/2,444,088.02 = 431,226.28/x
  3. Step 3: Cross multiply
    1,629,312.08x = 2,444,088.02 × 431,226.28
  4. Step 4: Simplify right side
    1,629,312.08x = 1,053,954,984,857.17
  5. Step 5: Solve for x
    x = 1,053,954,984,857.17/1,629,312.08
  6. Step 6: Final answer
    x = 646,871.15

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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.