Home / 1,464,347.82-2,195,680.50-780,392.46

Finding the Fourth Proportional to 1,464,347.82, 2,195,680.50 and 780,392.46

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Solution

The fourth proportional to 1,464,347.82, 2,195,680.50 and 780,392.46 is: 1,170,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,347.82 : 2,195,680.50 = 780,392.46 : x
  2. Step 2: Convert to fraction form
    1,464,347.82/2,195,680.50 = 780,392.46/x
  3. Step 3: Cross multiply
    1,464,347.82x = 2,195,680.50 × 780,392.46
  4. Step 4: Simplify right side
    1,464,347.82x = 1,713,492,506,769.03
  5. Step 5: Solve for x
    x = 1,713,492,506,769.03/1,464,347.82
  6. Step 6: Final answer
    x = 1,170,140.37

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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.