Home / 1,145,679.04-1,719,184.32-471,828.16

Finding the Fourth Proportional to 1,145,679.04, 1,719,184.32 and 471,828.16

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Solution

The fourth proportional to 1,145,679.04, 1,719,184.32 and 471,828.16 is: 708,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,679.04 : 1,719,184.32 = 471,828.16 : x
  2. Step 2: Convert to fraction form
    1,145,679.04/1,719,184.32 = 471,828.16/x
  3. Step 3: Cross multiply
    1,145,679.04x = 1,719,184.32 × 471,828.16
  4. Step 4: Simplify right side
    1,145,679.04x = 811,159,574,406.45
  5. Step 5: Solve for x
    x = 811,159,574,406.45/1,145,679.04
  6. Step 6: Final answer
    x = 708,016.42

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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.