Home / 1,663,427.35-2,295,543.47-918,377.20

Finding the Fourth Proportional to 1,663,427.35, 2,295,543.47 and 918,377.20

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Solution

The fourth proportional to 1,663,427.35, 2,295,543.47 and 918,377.20 is: 1,267,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,427.35 : 2,295,543.47 = 918,377.20 : x
  2. Step 2: Convert to fraction form
    1,663,427.35/2,295,543.47 = 918,377.20/x
  3. Step 3: Cross multiply
    1,663,427.35x = 2,295,543.47 × 918,377.20
  4. Step 4: Simplify right side
    1,663,427.35x = 2,108,174,784,456.88
  5. Step 5: Solve for x
    x = 2,108,174,784,456.88/1,663,427.35
  6. Step 6: Final answer
    x = 1,267,368.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.