Home / 1,420,510.50-1,960,362.99-816,898.50

Finding the Fourth Proportional to 1,420,510.50, 1,960,362.99 and 816,898.50

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Solution

The fourth proportional to 1,420,510.50, 1,960,362.99 and 816,898.50 is: 1,127,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,510.50 : 1,960,362.99 = 816,898.50 : x
  2. Step 2: Convert to fraction form
    1,420,510.50/1,960,362.99 = 816,898.50/x
  3. Step 3: Cross multiply
    1,420,510.50x = 1,960,362.99 × 816,898.50
  4. Step 4: Simplify right side
    1,420,510.50x = 1,601,417,585,986.52
  5. Step 5: Solve for x
    x = 1,601,417,585,986.52/1,420,510.50
  6. Step 6: Final answer
    x = 1,127,353.57

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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.