Home / 1,055,643.17-1,583,442.61-256,929.17

Finding the Fourth Proportional to 1,055,643.17, 1,583,442.61 and 256,929.17

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Solution

The fourth proportional to 1,055,643.17, 1,583,442.61 and 256,929.17 is: 385,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,643.17 : 1,583,442.61 = 256,929.17 : x
  2. Step 2: Convert to fraction form
    1,055,643.17/1,583,442.61 = 256,929.17/x
  3. Step 3: Cross multiply
    1,055,643.17x = 1,583,442.61 × 256,929.17
  4. Step 4: Simplify right side
    1,055,643.17x = 406,832,586,970.40
  5. Step 5: Solve for x
    x = 406,832,586,970.40/1,055,643.17
  6. Step 6: Final answer
    x = 385,388.36

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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.