Home / 1,407,501.27-2,111,252.12-342,543.31

Finding the Fourth Proportional to 1,407,501.27, 2,111,252.12 and 342,543.31

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Solution

The fourth proportional to 1,407,501.27, 2,111,252.12 and 342,543.31 is: 513,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,501.27 : 2,111,252.12 = 342,543.31 : x
  2. Step 2: Convert to fraction form
    1,407,501.27/2,111,252.12 = 342,543.31/x
  3. Step 3: Cross multiply
    1,407,501.27x = 2,111,252.12 × 342,543.31
  4. Step 4: Simplify right side
    1,407,501.27x = 723,195,289,429.32
  5. Step 5: Solve for x
    x = 723,195,289,429.32/1,407,501.27
  6. Step 6: Final answer
    x = 513,815.02

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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.