Home / 1,482,142.84-2,045,380.34-870,309.13

Finding the Fourth Proportional to 1,482,142.84, 2,045,380.34 and 870,309.13

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Solution

The fourth proportional to 1,482,142.84, 2,045,380.34 and 870,309.13 is: 1,201,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,142.84 : 2,045,380.34 = 870,309.13 : x
  2. Step 2: Convert to fraction form
    1,482,142.84/2,045,380.34 = 870,309.13/x
  3. Step 3: Cross multiply
    1,482,142.84x = 2,045,380.34 × 870,309.13
  4. Step 4: Simplify right side
    1,482,142.84x = 1,780,113,184,224.50
  5. Step 5: Solve for x
    x = 1,780,113,184,224.50/1,482,142.84
  6. Step 6: Final answer
    x = 1,201,040.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.