Home / 1,276,919.04-1,762,161.91-703,979.72

Finding the Fourth Proportional to 1,276,919.04, 1,762,161.91 and 703,979.72

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Solution

The fourth proportional to 1,276,919.04, 1,762,161.91 and 703,979.72 is: 971,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,919.04 : 1,762,161.91 = 703,979.72 : x
  2. Step 2: Convert to fraction form
    1,276,919.04/1,762,161.91 = 703,979.72/x
  3. Step 3: Cross multiply
    1,276,919.04x = 1,762,161.91 × 703,979.72
  4. Step 4: Simplify right side
    1,276,919.04x = 1,240,526,237,425.71
  5. Step 5: Solve for x
    x = 1,240,526,237,425.71/1,276,919.04
  6. Step 6: Final answer
    x = 971,499.52

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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.