Home / 1,420,699.59-1,960,594.34-776,161.53

Finding the Fourth Proportional to 1,420,699.59, 1,960,594.34 and 776,161.53

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Solution

The fourth proportional to 1,420,699.59, 1,960,594.34 and 776,161.53 is: 1,071,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,699.59 : 1,960,594.34 = 776,161.53 : x
  2. Step 2: Convert to fraction form
    1,420,699.59/1,960,594.34 = 776,161.53/x
  3. Step 3: Cross multiply
    1,420,699.59x = 1,960,594.34 × 776,161.53
  4. Step 4: Simplify right side
    1,420,699.59x = 1,521,737,898,762.93
  5. Step 5: Solve for x
    x = 1,521,737,898,762.93/1,420,699.59
  6. Step 6: Final answer
    x = 1,071,118.70

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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.