Home / 1,038,526.23-1,557,913.71-318,773.66

Finding the Fourth Proportional to 1,038,526.23, 1,557,913.71 and 318,773.66

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Solution

The fourth proportional to 1,038,526.23, 1,557,913.71 and 318,773.66 is: 478,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,526.23 : 1,557,913.71 = 318,773.66 : x
  2. Step 2: Convert to fraction form
    1,038,526.23/1,557,913.71 = 318,773.66/x
  3. Step 3: Cross multiply
    1,038,526.23x = 1,557,913.71 × 318,773.66
  4. Step 4: Simplify right side
    1,038,526.23x = 496,621,855,300.88
  5. Step 5: Solve for x
    x = 496,621,855,300.88/1,038,526.23
  6. Step 6: Final answer
    x = 478,198.66

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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.