Home / 1,276,206.84-1,912,505.58-707,838.35

Finding the Fourth Proportional to 1,276,206.84, 1,912,505.58 and 707,838.35

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Solution

The fourth proportional to 1,276,206.84, 1,912,505.58 and 707,838.35 is: 1,060,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,206.84 : 1,912,505.58 = 707,838.35 : x
  2. Step 2: Convert to fraction form
    1,276,206.84/1,912,505.58 = 707,838.35/x
  3. Step 3: Cross multiply
    1,276,206.84x = 1,912,505.58 × 707,838.35
  4. Step 4: Simplify right side
    1,276,206.84x = 1,353,744,784,550.47
  5. Step 5: Solve for x
    x = 1,353,744,784,550.47/1,276,206.84
  6. Step 6: Final answer
    x = 1,060,756.57

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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.