Home / 1,276,898.74-1,762,065.60-696,108.04

Finding the Fourth Proportional to 1,276,898.74, 1,762,065.60 and 696,108.04

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Solution

The fourth proportional to 1,276,898.74, 1,762,065.60 and 696,108.04 is: 960,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,898.74 : 1,762,065.60 = 696,108.04 : x
  2. Step 2: Convert to fraction form
    1,276,898.74/1,762,065.60 = 696,108.04/x
  3. Step 3: Cross multiply
    1,276,898.74x = 1,762,065.60 × 696,108.04
  4. Step 4: Simplify right side
    1,276,898.74x = 1,226,588,031,167.42
  5. Step 5: Solve for x
    x = 1,226,588,031,167.42/1,276,898.74
  6. Step 6: Final answer
    x = 960,599.30

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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.