Home / 1,117,288.80-1,675,948.83-318,570.66

Finding the Fourth Proportional to 1,117,288.80, 1,675,948.83 and 318,570.66

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Solution

The fourth proportional to 1,117,288.80, 1,675,948.83 and 318,570.66 is: 477,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,288.80 : 1,675,948.83 = 318,570.66 : x
  2. Step 2: Convert to fraction form
    1,117,288.80/1,675,948.83 = 318,570.66/x
  3. Step 3: Cross multiply
    1,117,288.80x = 1,675,948.83 × 318,570.66
  4. Step 4: Simplify right side
    1,117,288.80x = 533,908,124,899.33
  5. Step 5: Solve for x
    x = 533,908,124,899.33/1,117,288.80
  6. Step 6: Final answer
    x = 477,860.45

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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.