Home / 1,038,124.51-1,557,417.31-318,565.98

Finding the Fourth Proportional to 1,038,124.51, 1,557,417.31 and 318,565.98

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Solution

The fourth proportional to 1,038,124.51, 1,557,417.31 and 318,565.98 is: 477,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,124.51 : 1,557,417.31 = 318,565.98 : x
  2. Step 2: Convert to fraction form
    1,038,124.51/1,557,417.31 = 318,565.98/x
  3. Step 3: Cross multiply
    1,038,124.51x = 1,557,417.31 × 318,565.98
  4. Step 4: Simplify right side
    1,038,124.51x = 496,140,170,832.70
  5. Step 5: Solve for x
    x = 496,140,170,832.70/1,038,124.51
  6. Step 6: Final answer
    x = 477,919.72

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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.