Home / 1,142,230.08-1,713,429.28-300,776

Finding the Fourth Proportional to 1,142,230.08, 1,713,429.28 and 300,776

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Solution

The fourth proportional to 1,142,230.08, 1,713,429.28 and 300,776 is: 451,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,230.08 : 1,713,429.28 = 300,776 : x
  2. Step 2: Convert to fraction form
    1,142,230.08/1,713,429.28 = 300,776/x
  3. Step 3: Cross multiply
    1,142,230.08x = 1,713,429.28 × 300,776
  4. Step 4: Simplify right side
    1,142,230.08x = 515,358,405,121.28
  5. Step 5: Solve for x
    x = 515,358,405,121.28/1,142,230.08
  6. Step 6: Final answer
    x = 451,186.16

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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.