Home / 1,121,742.10-1,682,285.10-402,000.40

Finding the Fourth Proportional to 1,121,742.10, 1,682,285.10 and 402,000.40

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Solution

The fourth proportional to 1,121,742.10, 1,682,285.10 and 402,000.40 is: 602,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,742.10 : 1,682,285.10 = 402,000.40 : x
  2. Step 2: Convert to fraction form
    1,121,742.10/1,682,285.10 = 402,000.40/x
  3. Step 3: Cross multiply
    1,121,742.10x = 1,682,285.10 × 402,000.40
  4. Step 4: Simplify right side
    1,121,742.10x = 676,279,283,114.04
  5. Step 5: Solve for x
    x = 676,279,283,114.04/1,121,742.10
  6. Step 6: Final answer
    x = 602,883.04

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1.5x scale

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.