Home / 1,420,694.86-1,960,526.82-776,117.92

Finding the Fourth Proportional to 1,420,694.86, 1,960,526.82 and 776,117.92

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Solution

The fourth proportional to 1,420,694.86, 1,960,526.82 and 776,117.92 is: 1,071,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,694.86 : 1,960,526.82 = 776,117.92 : x
  2. Step 2: Convert to fraction form
    1,420,694.86/1,960,526.82 = 776,117.92/x
  3. Step 3: Cross multiply
    1,420,694.86x = 1,960,526.82 × 776,117.92
  4. Step 4: Simplify right side
    1,420,694.86x = 1,521,599,997,642.61
  5. Step 5: Solve for x
    x = 1,521,599,997,642.61/1,420,694.86
  6. Step 6: Final answer
    x = 1,071,025.20

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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.