Home / 1,518,520.48-2,095,468.32-839,416.48

Finding the Fourth Proportional to 1,518,520.48, 2,095,468.32 and 839,416.48

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Solution

The fourth proportional to 1,518,520.48, 2,095,468.32 and 839,416.48 is: 1,158,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,520.48 : 2,095,468.32 = 839,416.48 : x
  2. Step 2: Convert to fraction form
    1,518,520.48/2,095,468.32 = 839,416.48/x
  3. Step 3: Cross multiply
    1,518,520.48x = 2,095,468.32 × 839,416.48
  4. Step 4: Simplify right side
    1,518,520.48x = 1,758,970,641,125.91
  5. Step 5: Solve for x
    x = 1,758,970,641,125.91/1,518,520.48
  6. Step 6: Final answer
    x = 1,158,345.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.