Home / 1,313,808.24-1,970,712.36-471,900.72

Finding the Fourth Proportional to 1,313,808.24, 1,970,712.36 and 471,900.72

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Solution

The fourth proportional to 1,313,808.24, 1,970,712.36 and 471,900.72 is: 707,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,808.24 : 1,970,712.36 = 471,900.72 : x
  2. Step 2: Convert to fraction form
    1,313,808.24/1,970,712.36 = 471,900.72/x
  3. Step 3: Cross multiply
    1,313,808.24x = 1,970,712.36 × 471,900.72
  4. Step 4: Simplify right side
    1,313,808.24x = 929,980,581,596.90
  5. Step 5: Solve for x
    x = 929,980,581,596.90/1,313,808.24
  6. Step 6: Final answer
    x = 707,851.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.