Home / 1,455,596.16-2,183,093.52-390,385

Finding the Fourth Proportional to 1,455,596.16, 2,183,093.52 and 390,385

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Solution

The fourth proportional to 1,455,596.16, 2,183,093.52 and 390,385 is: 585,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,596.16 : 2,183,093.52 = 390,385 : x
  2. Step 2: Convert to fraction form
    1,455,596.16/2,183,093.52 = 390,385/x
  3. Step 3: Cross multiply
    1,455,596.16x = 2,183,093.52 × 390,385
  4. Step 4: Simplify right side
    1,455,596.16x = 852,246,963,805.20
  5. Step 5: Solve for x
    x = 852,246,963,805.20/1,455,596.16
  6. Step 6: Final answer
    x = 585,496.85

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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.