Home / 1,038,157.44-1,557,158.40-290,261.76

Finding the Fourth Proportional to 1,038,157.44, 1,557,158.40 and 290,261.76

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Solution

The fourth proportional to 1,038,157.44, 1,557,158.40 and 290,261.76 is: 435,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,157.44 : 1,557,158.40 = 290,261.76 : x
  2. Step 2: Convert to fraction form
    1,038,157.44/1,557,158.40 = 290,261.76/x
  3. Step 3: Cross multiply
    1,038,157.44x = 1,557,158.40 × 290,261.76
  4. Step 4: Simplify right side
    1,038,157.44x = 451,983,537,782.78
  5. Step 5: Solve for x
    x = 451,983,537,782.78/1,038,157.44
  6. Step 6: Final answer
    x = 435,370.90

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1.5x scale

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.