Home / 1,407,723.32-2,111,543.98-342,750

Finding the Fourth Proportional to 1,407,723.32, 2,111,543.98 and 342,750

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Solution

The fourth proportional to 1,407,723.32, 2,111,543.98 and 342,750 is: 514,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,723.32 : 2,111,543.98 = 342,750 : x
  2. Step 2: Convert to fraction form
    1,407,723.32/2,111,543.98 = 342,750/x
  3. Step 3: Cross multiply
    1,407,723.32x = 2,111,543.98 × 342,750
  4. Step 4: Simplify right side
    1,407,723.32x = 723,731,699,145
  5. Step 5: Solve for x
    x = 723,731,699,145/1,407,723.32
  6. Step 6: Final answer
    x = 514,115.02

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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.