Home / 1,499,603.12-2,069,452.08-820,539.44

Finding the Fourth Proportional to 1,499,603.12, 2,069,452.08 and 820,539.44

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Solution

The fourth proportional to 1,499,603.12, 2,069,452.08 and 820,539.44 is: 1,132,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,603.12 : 2,069,452.08 = 820,539.44 : x
  2. Step 2: Convert to fraction form
    1,499,603.12/2,069,452.08 = 820,539.44/x
  3. Step 3: Cross multiply
    1,499,603.12x = 2,069,452.08 × 820,539.44
  4. Step 4: Simplify right side
    1,499,603.12x = 1,698,067,050,830.04
  5. Step 5: Solve for x
    x = 1,698,067,050,830.04/1,499,603.12
  6. Step 6: Final answer
    x = 1,132,344.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.