Home / 1,011,404.52-1,517,165.16-380,323.80

Finding the Fourth Proportional to 1,011,404.52, 1,517,165.16 and 380,323.80

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Solution

The fourth proportional to 1,011,404.52, 1,517,165.16 and 380,323.80 is: 570,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,404.52 : 1,517,165.16 = 380,323.80 : x
  2. Step 2: Convert to fraction form
    1,011,404.52/1,517,165.16 = 380,323.80/x
  3. Step 3: Cross multiply
    1,011,404.52x = 1,517,165.16 × 380,323.80
  4. Step 4: Simplify right side
    1,011,404.52x = 577,014,018,878.81
  5. Step 5: Solve for x
    x = 577,014,018,878.81/1,011,404.52
  6. Step 6: Final answer
    x = 570,507.65

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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.