Home / 1,066,931.10-1,599,849.45-318,879.90

Finding the Fourth Proportional to 1,066,931.10, 1,599,849.45 and 318,879.90

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Solution

The fourth proportional to 1,066,931.10, 1,599,849.45 and 318,879.90 is: 478,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,931.10 : 1,599,849.45 = 318,879.90 : x
  2. Step 2: Convert to fraction form
    1,066,931.10/1,599,849.45 = 318,879.90/x
  3. Step 3: Cross multiply
    1,066,931.10x = 1,599,849.45 × 318,879.90
  4. Step 4: Simplify right side
    1,066,931.10x = 510,159,832,631.06
  5. Step 5: Solve for x
    x = 510,159,832,631.06/1,066,931.10
  6. Step 6: Final answer
    x = 478,156.31

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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.