Home / 1,323,960-1,827,103.68-720,386.88

Finding the Fourth Proportional to 1,323,960, 1,827,103.68 and 720,386.88

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Solution

The fourth proportional to 1,323,960, 1,827,103.68 and 720,386.88 is: 994,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,960 : 1,827,103.68 = 720,386.88 : x
  2. Step 2: Convert to fraction form
    1,323,960/1,827,103.68 = 720,386.88/x
  3. Step 3: Cross multiply
    1,323,960x = 1,827,103.68 × 720,386.88
  4. Step 4: Simplify right side
    1,323,960x = 1,316,221,519,471.72
  5. Step 5: Solve for x
    x = 1,316,221,519,471.72/1,323,960
  6. Step 6: Final answer
    x = 994,155.05

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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.