Home / 1,328,305.65-1,992,244.64-381,461.01

Finding the Fourth Proportional to 1,328,305.65, 1,992,244.64 and 381,461.01

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Solution

The fourth proportional to 1,328,305.65, 1,992,244.64 and 381,461.01 is: 572,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,305.65 : 1,992,244.64 = 381,461.01 : x
  2. Step 2: Convert to fraction form
    1,328,305.65/1,992,244.64 = 381,461.01/x
  3. Step 3: Cross multiply
    1,328,305.65x = 1,992,244.64 × 381,461.01
  4. Step 4: Simplify right side
    1,328,305.65x = 759,963,650,634.18
  5. Step 5: Solve for x
    x = 759,963,650,634.18/1,328,305.65
  6. Step 6: Final answer
    x = 572,130.10

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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.