Home / 1,297,294.20-1,941,275.70-877,390.20

Finding the Fourth Proportional to 1,297,294.20, 1,941,275.70 and 877,390.20

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Solution

The fourth proportional to 1,297,294.20, 1,941,275.70 and 877,390.20 is: 1,312,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,294.20 : 1,941,275.70 = 877,390.20 : x
  2. Step 2: Convert to fraction form
    1,297,294.20/1,941,275.70 = 877,390.20/x
  3. Step 3: Cross multiply
    1,297,294.20x = 1,941,275.70 × 877,390.20
  4. Step 4: Simplify right side
    1,297,294.20x = 1,703,256,274,678.14
  5. Step 5: Solve for x
    x = 1,703,256,274,678.14/1,297,294.20
  6. Step 6: Final answer
    x = 1,312,929.85

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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.