Home / 1,090,107.36-1,635,422.76-342,153.36

Finding the Fourth Proportional to 1,090,107.36, 1,635,422.76 and 342,153.36

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Solution

The fourth proportional to 1,090,107.36, 1,635,422.76 and 342,153.36 is: 513,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,107.36 : 1,635,422.76 = 342,153.36 : x
  2. Step 2: Convert to fraction form
    1,090,107.36/1,635,422.76 = 342,153.36/x
  3. Step 3: Cross multiply
    1,090,107.36x = 1,635,422.76 × 342,153.36
  4. Step 4: Simplify right side
    1,090,107.36x = 559,565,392,354.47
  5. Step 5: Solve for x
    x = 559,565,392,354.47/1,090,107.36
  6. Step 6: Final answer
    x = 513,312.19

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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.