Home / 1,281,648.42-1,922,663.77-471,970.57

Finding the Fourth Proportional to 1,281,648.42, 1,922,663.77 and 471,970.57

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Solution

The fourth proportional to 1,281,648.42, 1,922,663.77 and 471,970.57 is: 708,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,648.42 : 1,922,663.77 = 471,970.57 : x
  2. Step 2: Convert to fraction form
    1,281,648.42/1,922,663.77 = 471,970.57/x
  3. Step 3: Cross multiply
    1,281,648.42x = 1,922,663.77 × 471,970.57
  4. Step 4: Simplify right side
    1,281,648.42x = 907,440,715,445.25
  5. Step 5: Solve for x
    x = 907,440,715,445.25/1,281,648.42
  6. Step 6: Final answer
    x = 708,026.24

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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.