Home / 1,623,689.74-2,240,636.66-898,568.02

Finding the Fourth Proportional to 1,623,689.74, 2,240,636.66 and 898,568.02

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Solution

The fourth proportional to 1,623,689.74, 2,240,636.66 and 898,568.02 is: 1,239,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,689.74 : 2,240,636.66 = 898,568.02 : x
  2. Step 2: Convert to fraction form
    1,623,689.74/2,240,636.66 = 898,568.02/x
  3. Step 3: Cross multiply
    1,623,689.74x = 2,240,636.66 × 898,568.02
  4. Step 4: Simplify right side
    1,623,689.74x = 2,013,364,438,158.85
  5. Step 5: Solve for x
    x = 2,013,364,438,158.85/1,623,689.74
  6. Step 6: Final answer
    x = 1,239,993.33

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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.