Home / 1,421,766.50-1,962,068.15-777,246.66

Finding the Fourth Proportional to 1,421,766.50, 1,962,068.15 and 777,246.66

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Solution

The fourth proportional to 1,421,766.50, 1,962,068.15 and 777,246.66 is: 1,072,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,766.50 : 1,962,068.15 = 777,246.66 : x
  2. Step 2: Convert to fraction form
    1,421,766.50/1,962,068.15 = 777,246.66/x
  3. Step 3: Cross multiply
    1,421,766.50x = 1,962,068.15 × 777,246.66
  4. Step 4: Simplify right side
    1,421,766.50x = 1,525,010,912,393.65
  5. Step 5: Solve for x
    x = 1,525,010,912,393.65/1,421,766.50
  6. Step 6: Final answer
    x = 1,072,617.00

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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.