Home / 1,401,455.20-1,934,007.70-756,875.53

Finding the Fourth Proportional to 1,401,455.20, 1,934,007.70 and 756,875.53

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Solution

The fourth proportional to 1,401,455.20, 1,934,007.70 and 756,875.53 is: 1,044,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,455.20 : 1,934,007.70 = 756,875.53 : x
  2. Step 2: Convert to fraction form
    1,401,455.20/1,934,007.70 = 756,875.53/x
  3. Step 3: Cross multiply
    1,401,455.20x = 1,934,007.70 × 756,875.53
  4. Step 4: Simplify right side
    1,401,455.20x = 1,463,803,102,961.58
  5. Step 5: Solve for x
    x = 1,463,803,102,961.58/1,401,455.20
  6. Step 6: Final answer
    x = 1,044,487.97

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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.