Home / 1,680,790.50-2,521,207.71-558,859.50

Finding the Fourth Proportional to 1,680,790.50, 2,521,207.71 and 558,859.50

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Solution

The fourth proportional to 1,680,790.50, 2,521,207.71 and 558,859.50 is: 838,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,790.50 : 2,521,207.71 = 558,859.50 : x
  2. Step 2: Convert to fraction form
    1,680,790.50/2,521,207.71 = 558,859.50/x
  3. Step 3: Cross multiply
    1,680,790.50x = 2,521,207.71 × 558,859.50
  4. Step 4: Simplify right side
    1,680,790.50x = 1,409,000,880,206.75
  5. Step 5: Solve for x
    x = 1,409,000,880,206.75/1,680,790.50
  6. Step 6: Final answer
    x = 838,296.55

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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.