Home / 1,118,412.85-1,543,427.31-609,114.82

Finding the Fourth Proportional to 1,118,412.85, 1,543,427.31 and 609,114.82

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Solution

The fourth proportional to 1,118,412.85, 1,543,427.31 and 609,114.82 is: 840,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,412.85 : 1,543,427.31 = 609,114.82 : x
  2. Step 2: Convert to fraction form
    1,118,412.85/1,543,427.31 = 609,114.82/x
  3. Step 3: Cross multiply
    1,118,412.85x = 1,543,427.31 × 609,114.82
  4. Step 4: Simplify right side
    1,118,412.85x = 940,124,448,113.73
  5. Step 5: Solve for x
    x = 940,124,448,113.73/1,118,412.85
  6. Step 6: Final answer
    x = 840,588.02

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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.