Home / 987,510.83-1,362,219.26-803,946.87

Finding the Fourth Proportional to 987,510.83, 1,362,219.26 and 803,946.87

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Solution

The fourth proportional to 987,510.83, 1,362,219.26 and 803,946.87 is: 1,109,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,510.83 : 1,362,219.26 = 803,946.87 : x
  2. Step 2: Convert to fraction form
    987,510.83/1,362,219.26 = 803,946.87/x
  3. Step 3: Cross multiply
    987,510.83x = 1,362,219.26 × 803,946.87
  4. Step 4: Simplify right side
    987,510.83x = 1,095,151,906,310.98
  5. Step 5: Solve for x
    x = 1,095,151,906,310.98/987,510.83
  6. Step 6: Final answer
    x = 1,109,002.43

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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.