Home / 1,121,746.10-1,682,291.10-402,004.40

Finding the Fourth Proportional to 1,121,746.10, 1,682,291.10 and 402,004.40

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Solution

The fourth proportional to 1,121,746.10, 1,682,291.10 and 402,004.40 is: 602,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,746.10 : 1,682,291.10 = 402,004.40 : x
  2. Step 2: Convert to fraction form
    1,121,746.10/1,682,291.10 = 402,004.40/x
  3. Step 3: Cross multiply
    1,121,746.10x = 1,682,291.10 × 402,004.40
  4. Step 4: Simplify right side
    1,121,746.10x = 676,288,424,280.84
  5. Step 5: Solve for x
    x = 676,288,424,280.84/1,121,746.10
  6. Step 6: Final answer
    x = 602,889.04

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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.