Home / 1,135,724.32-1,703,587.44-637,438.24

Finding the Fourth Proportional to 1,135,724.32, 1,703,587.44 and 637,438.24

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Solution

The fourth proportional to 1,135,724.32, 1,703,587.44 and 637,438.24 is: 956,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,724.32 : 1,703,587.44 = 637,438.24 : x
  2. Step 2: Convert to fraction form
    1,135,724.32/1,703,587.44 = 637,438.24/x
  3. Step 3: Cross multiply
    1,135,724.32x = 1,703,587.44 × 637,438.24
  4. Step 4: Simplify right side
    1,135,724.32x = 1,085,931,779,439.71
  5. Step 5: Solve for x
    x = 1,085,931,779,439.71/1,135,724.32
  6. Step 6: Final answer
    x = 956,157.90

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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.