Home / 1,090,385.01-1,635,912.36-558,279.63

Finding the Fourth Proportional to 1,090,385.01, 1,635,912.36 and 558,279.63

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Solution

The fourth proportional to 1,090,385.01, 1,635,912.36 and 558,279.63 is: 837,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,385.01 : 1,635,912.36 = 558,279.63 : x
  2. Step 2: Convert to fraction form
    1,090,385.01/1,635,912.36 = 558,279.63/x
  3. Step 3: Cross multiply
    1,090,385.01x = 1,635,912.36 × 558,279.63
  4. Step 4: Simplify right side
    1,090,385.01x = 913,296,547,053.23
  5. Step 5: Solve for x
    x = 913,296,547,053.23/1,090,385.01
  6. Step 6: Final answer
    x = 837,590.89

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Double scale
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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.