Home / 1,325,386.04-1,988,079.02-328,114.04

Finding the Fourth Proportional to 1,325,386.04, 1,988,079.02 and 328,114.04

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Solution

The fourth proportional to 1,325,386.04, 1,988,079.02 and 328,114.04 is: 492,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,386.04 : 1,988,079.02 = 328,114.04 : x
  2. Step 2: Convert to fraction form
    1,325,386.04/1,988,079.02 = 328,114.04/x
  3. Step 3: Cross multiply
    1,325,386.04x = 1,988,079.02 × 328,114.04
  4. Step 4: Simplify right side
    1,325,386.04x = 652,316,639,091.44
  5. Step 5: Solve for x
    x = 652,316,639,091.44/1,325,386.04
  6. Step 6: Final answer
    x = 492,171.05

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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.