Home / 1,276,904.50-1,762,140.23-703,965.17

Finding the Fourth Proportional to 1,276,904.50, 1,762,140.23 and 703,965.17

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Solution

The fourth proportional to 1,276,904.50, 1,762,140.23 and 703,965.17 is: 971,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,904.50 : 1,762,140.23 = 703,965.17 : x
  2. Step 2: Convert to fraction form
    1,276,904.50/1,762,140.23 = 703,965.17/x
  3. Step 3: Cross multiply
    1,276,904.50x = 1,762,140.23 × 703,965.17
  4. Step 4: Simplify right side
    1,276,904.50x = 1,240,485,347,461.31
  5. Step 5: Solve for x
    x = 1,240,485,347,461.31/1,276,904.50
  6. Step 6: Final answer
    x = 971,478.56

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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.