Home / 1,055,643.92-1,583,443.73-256,929.92

Finding the Fourth Proportional to 1,055,643.92, 1,583,443.73 and 256,929.92

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Solution

The fourth proportional to 1,055,643.92, 1,583,443.73 and 256,929.92 is: 385,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,643.92 : 1,583,443.73 = 256,929.92 : x
  2. Step 2: Convert to fraction form
    1,055,643.92/1,583,443.73 = 256,929.92/x
  3. Step 3: Cross multiply
    1,055,643.92x = 1,583,443.73 × 256,929.92
  4. Step 4: Simplify right side
    1,055,643.92x = 406,834,063,598.51
  5. Step 5: Solve for x
    x = 406,834,063,598.51/1,055,643.92
  6. Step 6: Final answer
    x = 385,389.48

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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.