Home / 2,387,432.32-3,578,988.14-870,759.67

Finding the Fourth Proportional to 2,387,432.32, 3,578,988.14 and 870,759.67

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Solution

The fourth proportional to 2,387,432.32, 3,578,988.14 and 870,759.67 is: 1,305,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387,432.32 : 3,578,988.14 = 870,759.67 : x
  2. Step 2: Convert to fraction form
    2,387,432.32/3,578,988.14 = 870,759.67/x
  3. Step 3: Cross multiply
    2,387,432.32x = 3,578,988.14 × 870,759.67
  4. Step 4: Simplify right side
    2,387,432.32x = 3,116,438,528,395.00
  5. Step 5: Solve for x
    x = 3,116,438,528,395.00/2,387,432.32
  6. Step 6: Final answer
    x = 1,305,351.57

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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.