Home / 1,038,438.20-1,557,657.30-975,452.60

Finding the Fourth Proportional to 1,038,438.20, 1,557,657.30 and 975,452.60

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Solution

The fourth proportional to 1,038,438.20, 1,557,657.30 and 975,452.60 is: 1,463,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,438.20 : 1,557,657.30 = 975,452.60 : x
  2. Step 2: Convert to fraction form
    1,038,438.20/1,557,657.30 = 975,452.60/x
  3. Step 3: Cross multiply
    1,038,438.20x = 1,557,657.30 × 975,452.60
  4. Step 4: Simplify right side
    1,038,438.20x = 1,519,420,863,193.98
  5. Step 5: Solve for x
    x = 1,519,420,863,193.98/1,038,438.20
  6. Step 6: Final answer
    x = 1,463,178.90

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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.