Home / 915,022.80-1,369,423.80-803,048.40

Finding the Fourth Proportional to 915,022.80, 1,369,423.80 and 803,048.40

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Solution

The fourth proportional to 915,022.80, 1,369,423.80 and 803,048.40 is: 1,201,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,022.80 : 1,369,423.80 = 803,048.40 : x
  2. Step 2: Convert to fraction form
    915,022.80/1,369,423.80 = 803,048.40/x
  3. Step 3: Cross multiply
    915,022.80x = 1,369,423.80 × 803,048.40
  4. Step 4: Simplify right side
    915,022.80x = 1,099,713,591,511.92
  5. Step 5: Solve for x
    x = 1,099,713,591,511.92/915,022.80
  6. Step 6: Final answer
    x = 1,201,842.83

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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.