Home / 1,525,403.40-2,289,012.30-578,869.80

Finding the Fourth Proportional to 1,525,403.40, 2,289,012.30 and 578,869.80

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Solution

The fourth proportional to 1,525,403.40, 2,289,012.30 and 578,869.80 is: 868,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,403.40 : 2,289,012.30 = 578,869.80 : x
  2. Step 2: Convert to fraction form
    1,525,403.40/2,289,012.30 = 578,869.80/x
  3. Step 3: Cross multiply
    1,525,403.40x = 2,289,012.30 × 578,869.80
  4. Step 4: Simplify right side
    1,525,403.40x = 1,325,040,092,298.54
  5. Step 5: Solve for x
    x = 1,325,040,092,298.54/1,525,403.40
  6. Step 6: Final answer
    x = 868,648.97

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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.