Home / 1,276,904.66-1,762,142.01-703,965.35

Finding the Fourth Proportional to 1,276,904.66, 1,762,142.01 and 703,965.35

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Solution

The fourth proportional to 1,276,904.66, 1,762,142.01 and 703,965.35 is: 971,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,904.66 : 1,762,142.01 = 703,965.35 : x
  2. Step 2: Convert to fraction form
    1,276,904.66/1,762,142.01 = 703,965.35/x
  3. Step 3: Cross multiply
    1,276,904.66x = 1,762,142.01 × 703,965.35
  4. Step 4: Simplify right side
    1,276,904.66x = 1,240,486,916,819.35
  5. Step 5: Solve for x
    x = 1,240,486,916,819.35/1,276,904.66
  6. Step 6: Final answer
    x = 971,479.67

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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.