Home / 1,070,009.46-1,605,101.67-438,928.74

Finding the Fourth Proportional to 1,070,009.46, 1,605,101.67 and 438,928.74

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Solution

The fourth proportional to 1,070,009.46, 1,605,101.67 and 438,928.74 is: 658,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,009.46 : 1,605,101.67 = 438,928.74 : x
  2. Step 2: Convert to fraction form
    1,070,009.46/1,605,101.67 = 438,928.74/x
  3. Step 3: Cross multiply
    1,070,009.46x = 1,605,101.67 × 438,928.74
  4. Step 4: Simplify right side
    1,070,009.46x = 704,525,253,585.00
  5. Step 5: Solve for x
    x = 704,525,253,585.00/1,070,009.46
  6. Step 6: Final answer
    x = 658,429.00

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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.