Home / 1,036,438.20-1,551,145.74-637,331.72

Finding the Fourth Proportional to 1,036,438.20, 1,551,145.74 and 637,331.72

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Solution

The fourth proportional to 1,036,438.20, 1,551,145.74 and 637,331.72 is: 953,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,438.20 : 1,551,145.74 = 637,331.72 : x
  2. Step 2: Convert to fraction form
    1,036,438.20/1,551,145.74 = 637,331.72/x
  3. Step 3: Cross multiply
    1,036,438.20x = 1,551,145.74 × 637,331.72
  4. Step 4: Simplify right side
    1,036,438.20x = 988,594,382,444.87
  5. Step 5: Solve for x
    x = 988,594,382,444.87/1,036,438.20
  6. Step 6: Final answer
    x = 953,838.23

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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.