Home / 1,707,638.30-2,564,409.90-910,476.80

Finding the Fourth Proportional to 1,707,638.30, 2,564,409.90 and 910,476.80

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Solution

The fourth proportional to 1,707,638.30, 2,564,409.90 and 910,476.80 is: 1,367,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,638.30 : 2,564,409.90 = 910,476.80 : x
  2. Step 2: Convert to fraction form
    1,707,638.30/2,564,409.90 = 910,476.80/x
  3. Step 3: Cross multiply
    1,707,638.30x = 2,564,409.90 × 910,476.80
  4. Step 4: Simplify right side
    1,707,638.30x = 2,334,835,719,640.32
  5. Step 5: Solve for x
    x = 2,334,835,719,640.32/1,707,638.30
  6. Step 6: Final answer
    x = 1,367,289.38

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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.