Home / 1,124,364.44-1,683,844.02-643,133.18

Finding the Fourth Proportional to 1,124,364.44, 1,683,844.02 and 643,133.18

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Solution

The fourth proportional to 1,124,364.44, 1,683,844.02 and 643,133.18 is: 963,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,364.44 : 1,683,844.02 = 643,133.18 : x
  2. Step 2: Convert to fraction form
    1,124,364.44/1,683,844.02 = 643,133.18/x
  3. Step 3: Cross multiply
    1,124,364.44x = 1,683,844.02 × 643,133.18
  4. Step 4: Simplify right side
    1,124,364.44x = 1,082,935,959,206.58
  5. Step 5: Solve for x
    x = 1,082,935,959,206.58/1,124,364.44
  6. Step 6: Final answer
    x = 963,153.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.