Home / 1,146,828.66-1,582,664.16-630,621.84

Finding the Fourth Proportional to 1,146,828.66, 1,582,664.16 and 630,621.84

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Solution

The fourth proportional to 1,146,828.66, 1,582,664.16 and 630,621.84 is: 870,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,828.66 : 1,582,664.16 = 630,621.84 : x
  2. Step 2: Convert to fraction form
    1,146,828.66/1,582,664.16 = 630,621.84/x
  3. Step 3: Cross multiply
    1,146,828.66x = 1,582,664.16 × 630,621.84
  4. Step 4: Simplify right side
    1,146,828.66x = 998,062,584,681.25
  5. Step 5: Solve for x
    x = 998,062,584,681.25/1,146,828.66
  6. Step 6: Final answer
    x = 870,280.47

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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.