Home / 1,090,177.45-1,635,141.60-291,521.26

Finding the Fourth Proportional to 1,090,177.45, 1,635,141.60 and 291,521.26

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Solution

The fourth proportional to 1,090,177.45, 1,635,141.60 and 291,521.26 is: 437,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,177.45 : 1,635,141.60 = 291,521.26 : x
  2. Step 2: Convert to fraction form
    1,090,177.45/1,635,141.60 = 291,521.26/x
  3. Step 3: Cross multiply
    1,090,177.45x = 1,635,141.60 × 291,521.26
  4. Step 4: Simplify right side
    1,090,177.45x = 476,678,541,554.34
  5. Step 5: Solve for x
    x = 476,678,541,554.34/1,090,177.45
  6. Step 6: Final answer
    x = 437,248.58

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1.5x scale

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.