Home / 1,118,237.10-1,543,184.78-608,939.07

Finding the Fourth Proportional to 1,118,237.10, 1,543,184.78 and 608,939.07

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Solution

The fourth proportional to 1,118,237.10, 1,543,184.78 and 608,939.07 is: 840,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,237.10 : 1,543,184.78 = 608,939.07 : x
  2. Step 2: Convert to fraction form
    1,118,237.10/1,543,184.78 = 608,939.07/x
  3. Step 3: Cross multiply
    1,118,237.10x = 1,543,184.78 × 608,939.07
  4. Step 4: Simplify right side
    1,118,237.10x = 939,705,501,726.66
  5. Step 5: Solve for x
    x = 939,705,501,726.66/1,118,237.10
  6. Step 6: Final answer
    x = 840,345.49

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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.