Home / 1,015,280.16-1,521,848.58-340,721.88

Finding the Fourth Proportional to 1,015,280.16, 1,521,848.58 and 340,721.88

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Solution

The fourth proportional to 1,015,280.16, 1,521,848.58 and 340,721.88 is: 510,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,280.16 : 1,521,848.58 = 340,721.88 : x
  2. Step 2: Convert to fraction form
    1,015,280.16/1,521,848.58 = 340,721.88/x
  3. Step 3: Cross multiply
    1,015,280.16x = 1,521,848.58 × 340,721.88
  4. Step 4: Simplify right side
    1,015,280.16x = 518,527,109,252.93
  5. Step 5: Solve for x
    x = 518,527,109,252.93/1,015,280.16
  6. Step 6: Final answer
    x = 510,723.18

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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.