Home / 879,807.40-1,319,711.10-741,567.40

Finding the Fourth Proportional to 879,807.40, 1,319,711.10 and 741,567.40

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Solution

The fourth proportional to 879,807.40, 1,319,711.10 and 741,567.40 is: 1,112,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,807.40 : 1,319,711.10 = 741,567.40 : x
  2. Step 2: Convert to fraction form
    879,807.40/1,319,711.10 = 741,567.40/x
  3. Step 3: Cross multiply
    879,807.40x = 1,319,711.10 × 741,567.40
  4. Step 4: Simplify right side
    879,807.40x = 978,654,729,178.14
  5. Step 5: Solve for x
    x = 978,654,729,178.14/879,807.40
  6. Step 6: Final answer
    x = 1,112,351.10

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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.