Home / 1,397,256.20-2,095,884.30-972,103.40

Finding the Fourth Proportional to 1,397,256.20, 2,095,884.30 and 972,103.40

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Solution

The fourth proportional to 1,397,256.20, 2,095,884.30 and 972,103.40 is: 1,458,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,256.20 : 2,095,884.30 = 972,103.40 : x
  2. Step 2: Convert to fraction form
    1,397,256.20/2,095,884.30 = 972,103.40/x
  3. Step 3: Cross multiply
    1,397,256.20x = 2,095,884.30 × 972,103.40
  4. Step 4: Simplify right side
    1,397,256.20x = 2,037,416,254,036.62
  5. Step 5: Solve for x
    x = 2,037,416,254,036.62/1,397,256.20
  6. Step 6: Final answer
    x = 1,458,155.10

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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.