Home / 1,086,421.55-1,499,140.13-603,007.07

Finding the Fourth Proportional to 1,086,421.55, 1,499,140.13 and 603,007.07

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Solution

The fourth proportional to 1,086,421.55, 1,499,140.13 and 603,007.07 is: 832,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,421.55 : 1,499,140.13 = 603,007.07 : x
  2. Step 2: Convert to fraction form
    1,086,421.55/1,499,140.13 = 603,007.07/x
  3. Step 3: Cross multiply
    1,086,421.55x = 1,499,140.13 × 603,007.07
  4. Step 4: Simplify right side
    1,086,421.55x = 903,992,086,799.98
  5. Step 5: Solve for x
    x = 903,992,086,799.98/1,086,421.55
  6. Step 6: Final answer
    x = 832,082.25

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1.5x scale

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.