Home / 1,407,539.24-2,111,279.28-342,587.24

Finding the Fourth Proportional to 1,407,539.24, 2,111,279.28 and 342,587.24

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Solution

The fourth proportional to 1,407,539.24, 2,111,279.28 and 342,587.24 is: 513,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,539.24 : 2,111,279.28 = 342,587.24 : x
  2. Step 2: Convert to fraction form
    1,407,539.24/2,111,279.28 = 342,587.24/x
  3. Step 3: Cross multiply
    1,407,539.24x = 2,111,279.28 × 342,587.24
  4. Step 4: Simplify right side
    1,407,539.24x = 723,297,341,404.39
  5. Step 5: Solve for x
    x = 723,297,341,404.39/1,407,539.24
  6. Step 6: Final answer
    x = 513,873.66

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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.