Home / 1,280,064.68-1,920,854.52-471,017.22

Finding the Fourth Proportional to 1,280,064.68, 1,920,854.52 and 471,017.22

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Solution

The fourth proportional to 1,280,064.68, 1,920,854.52 and 471,017.22 is: 706,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,064.68 : 1,920,854.52 = 471,017.22 : x
  2. Step 2: Convert to fraction form
    1,280,064.68/1,920,854.52 = 471,017.22/x
  3. Step 3: Cross multiply
    1,280,064.68x = 1,920,854.52 × 471,017.22
  4. Step 4: Simplify right side
    1,280,064.68x = 904,755,556,034.83
  5. Step 5: Solve for x
    x = 904,755,556,034.83/1,280,064.68
  6. Step 6: Final answer
    x = 706,804.56

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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.