Home / 1,347,632.70-1,859,061.98-803,385

Finding the Fourth Proportional to 1,347,632.70, 1,859,061.98 and 803,385

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Solution

The fourth proportional to 1,347,632.70, 1,859,061.98 and 803,385 is: 1,108,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,632.70 : 1,859,061.98 = 803,385 : x
  2. Step 2: Convert to fraction form
    1,347,632.70/1,859,061.98 = 803,385/x
  3. Step 3: Cross multiply
    1,347,632.70x = 1,859,061.98 × 803,385
  4. Step 4: Simplify right side
    1,347,632.70x = 1,493,542,504,785.38
  5. Step 5: Solve for x
    x = 1,493,542,504,785.38/1,347,632.70
  6. Step 6: Final answer
    x = 1,108,271.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.