Home / 1,280,062.68-1,920,851.52-471,015.22

Finding the Fourth Proportional to 1,280,062.68, 1,920,851.52 and 471,015.22

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Solution

The fourth proportional to 1,280,062.68, 1,920,851.52 and 471,015.22 is: 706,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,062.68 : 1,920,851.52 = 471,015.22 : x
  2. Step 2: Convert to fraction form
    1,280,062.68/1,920,851.52 = 471,015.22/x
  3. Step 3: Cross multiply
    1,280,062.68x = 1,920,851.52 × 471,015.22
  4. Step 4: Simplify right side
    1,280,062.68x = 904,750,301,280.13
  5. Step 5: Solve for x
    x = 904,750,301,280.13/1,280,062.68
  6. Step 6: Final answer
    x = 706,801.56

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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.