Home / 1,553,047.79-2,143,185.45-899,762.87

Finding the Fourth Proportional to 1,553,047.79, 2,143,185.45 and 899,762.87

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Solution

The fourth proportional to 1,553,047.79, 2,143,185.45 and 899,762.87 is: 1,241,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,047.79 : 2,143,185.45 = 899,762.87 : x
  2. Step 2: Convert to fraction form
    1,553,047.79/2,143,185.45 = 899,762.87/x
  3. Step 3: Cross multiply
    1,553,047.79x = 2,143,185.45 × 899,762.87
  4. Step 4: Simplify right side
    1,553,047.79x = 1,928,358,680,718.31
  5. Step 5: Solve for x
    x = 1,928,358,680,718.31/1,553,047.79
  6. Step 6: Final answer
    x = 1,241,660.88

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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.