Home / 1,090,287.84-1,635,316.72-291,650

Finding the Fourth Proportional to 1,090,287.84, 1,635,316.72 and 291,650

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Solution

The fourth proportional to 1,090,287.84, 1,635,316.72 and 291,650 is: 437,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,287.84 : 1,635,316.72 = 291,650 : x
  2. Step 2: Convert to fraction form
    1,090,287.84/1,635,316.72 = 291,650/x
  3. Step 3: Cross multiply
    1,090,287.84x = 1,635,316.72 × 291,650
  4. Step 4: Simplify right side
    1,090,287.84x = 476,940,121,388
  5. Step 5: Solve for x
    x = 476,940,121,388/1,090,287.84
  6. Step 6: Final answer
    x = 437,444.23

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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.