Home / 1,432,577.71-2,148,409.83-472,855.08

Finding the Fourth Proportional to 1,432,577.71, 2,148,409.83 and 472,855.08

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Solution

The fourth proportional to 1,432,577.71, 2,148,409.83 and 472,855.08 is: 709,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,577.71 : 2,148,409.83 = 472,855.08 : x
  2. Step 2: Convert to fraction form
    1,432,577.71/2,148,409.83 = 472,855.08/x
  3. Step 3: Cross multiply
    1,432,577.71x = 2,148,409.83 × 472,855.08
  4. Step 4: Simplify right side
    1,432,577.71x = 1,015,886,509,207.37
  5. Step 5: Solve for x
    x = 1,015,886,509,207.37/1,432,577.71
  6. Step 6: Final answer
    x = 709,131.87

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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.