Home / 1,294,210.80-1,941,316.20-979,282.80

Finding the Fourth Proportional to 1,294,210.80, 1,941,316.20 and 979,282.80

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Solution

The fourth proportional to 1,294,210.80, 1,941,316.20 and 979,282.80 is: 1,468,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,210.80 : 1,941,316.20 = 979,282.80 : x
  2. Step 2: Convert to fraction form
    1,294,210.80/1,941,316.20 = 979,282.80/x
  3. Step 3: Cross multiply
    1,294,210.80x = 1,941,316.20 × 979,282.80
  4. Step 4: Simplify right side
    1,294,210.80x = 1,901,097,564,021.36
  5. Step 5: Solve for x
    x = 1,901,097,564,021.36/1,294,210.80
  6. Step 6: Final answer
    x = 1,468,924.20

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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.