Home / 1,281,648.05-1,922,663.21-471,970.20

Finding the Fourth Proportional to 1,281,648.05, 1,922,663.21 and 471,970.20

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Solution

The fourth proportional to 1,281,648.05, 1,922,663.21 and 471,970.20 is: 708,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,648.05 : 1,922,663.21 = 471,970.20 : x
  2. Step 2: Convert to fraction form
    1,281,648.05/1,922,663.21 = 471,970.20/x
  3. Step 3: Cross multiply
    1,281,648.05x = 1,922,663.21 × 471,970.20
  4. Step 4: Simplify right side
    1,281,648.05x = 907,439,739,756.34
  5. Step 5: Solve for x
    x = 907,439,739,756.34/1,281,648.05
  6. Step 6: Final answer
    x = 708,025.69

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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.