Home / 1,480,509.71-2,221,026.95-670,861.43

Finding the Fourth Proportional to 1,480,509.71, 2,221,026.95 and 670,861.43

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Solution

The fourth proportional to 1,480,509.71, 2,221,026.95 and 670,861.43 is: 1,006,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,509.71 : 2,221,026.95 = 670,861.43 : x
  2. Step 2: Convert to fraction form
    1,480,509.71/2,221,026.95 = 670,861.43/x
  3. Step 3: Cross multiply
    1,480,509.71x = 2,221,026.95 × 670,861.43
  4. Step 4: Simplify right side
    1,480,509.71x = 1,490,001,315,745.54
  5. Step 5: Solve for x
    x = 1,490,001,315,745.54/1,480,509.71
  6. Step 6: Final answer
    x = 1,006,411.04

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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.