Home / 1,443,801.65-2,169,628.13-770,358.74

Finding the Fourth Proportional to 1,443,801.65, 2,169,628.13 and 770,358.74

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Solution

The fourth proportional to 1,443,801.65, 2,169,628.13 and 770,358.74 is: 1,157,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,801.65 : 2,169,628.13 = 770,358.74 : x
  2. Step 2: Convert to fraction form
    1,443,801.65/2,169,628.13 = 770,358.74/x
  3. Step 3: Cross multiply
    1,443,801.65x = 2,169,628.13 × 770,358.74
  4. Step 4: Simplify right side
    1,443,801.65x = 1,671,391,983,573.11
  5. Step 5: Solve for x
    x = 1,671,391,983,573.11/1,443,801.65
  6. Step 6: Final answer
    x = 1,157,632.69

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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.