Home / 1,405,412.08-2,107,943.16-458,703.52

Finding the Fourth Proportional to 1,405,412.08, 2,107,943.16 and 458,703.52

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Solution

The fourth proportional to 1,405,412.08, 2,107,943.16 and 458,703.52 is: 687,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,412.08 : 2,107,943.16 = 458,703.52 : x
  2. Step 2: Convert to fraction form
    1,405,412.08/2,107,943.16 = 458,703.52/x
  3. Step 3: Cross multiply
    1,405,412.08x = 2,107,943.16 × 458,703.52
  4. Step 4: Simplify right side
    1,405,412.08x = 966,920,947,451.92
  5. Step 5: Solve for x
    x = 966,920,947,451.92/1,405,412.08
  6. Step 6: Final answer
    x = 687,998.18

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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.