Home / 1,005,336.64-1,509,079.34-406,689.16

Finding the Fourth Proportional to 1,005,336.64, 1,509,079.34 and 406,689.16

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Solution

The fourth proportional to 1,005,336.64, 1,509,079.34 and 406,689.16 is: 610,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,336.64 : 1,509,079.34 = 406,689.16 : x
  2. Step 2: Convert to fraction form
    1,005,336.64/1,509,079.34 = 406,689.16/x
  3. Step 3: Cross multiply
    1,005,336.64x = 1,509,079.34 × 406,689.16
  4. Step 4: Simplify right side
    1,005,336.64x = 613,726,209,157.95
  5. Step 5: Solve for x
    x = 613,726,209,157.95/1,005,336.64
  6. Step 6: Final answer
    x = 610,468.36

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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.