Home / 1,281,643.31-1,922,656.08-471,965.42

Finding the Fourth Proportional to 1,281,643.31, 1,922,656.08 and 471,965.42

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Solution

The fourth proportional to 1,281,643.31, 1,922,656.08 and 471,965.42 is: 708,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,643.31 : 1,922,656.08 = 471,965.42 : x
  2. Step 2: Convert to fraction form
    1,281,643.31/1,922,656.08 = 471,965.42/x
  3. Step 3: Cross multiply
    1,281,643.31x = 1,922,656.08 × 471,965.42
  4. Step 4: Simplify right side
    1,281,643.31x = 907,427,184,312.75
  5. Step 5: Solve for x
    x = 907,427,184,312.75/1,281,643.31
  6. Step 6: Final answer
    x = 708,018.51

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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.