Home / 1,103,170.16-1,654,346.52-393,009.68

Finding the Fourth Proportional to 1,103,170.16, 1,654,346.52 and 393,009.68

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Solution

The fourth proportional to 1,103,170.16, 1,654,346.52 and 393,009.68 is: 589,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,170.16 : 1,654,346.52 = 393,009.68 : x
  2. Step 2: Convert to fraction form
    1,103,170.16/1,654,346.52 = 393,009.68/x
  3. Step 3: Cross multiply
    1,103,170.16x = 1,654,346.52 × 393,009.68
  4. Step 4: Simplify right side
    1,103,170.16x = 650,174,196,434.31
  5. Step 5: Solve for x
    x = 650,174,196,434.31/1,103,170.16
  6. Step 6: Final answer
    x = 589,368.91

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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.