Home / 1,543,804.31-2,130,462.47-855,487.66

Finding the Fourth Proportional to 1,543,804.31, 2,130,462.47 and 855,487.66

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Solution

The fourth proportional to 1,543,804.31, 2,130,462.47 and 855,487.66 is: 1,180,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,804.31 : 2,130,462.47 = 855,487.66 : x
  2. Step 2: Convert to fraction form
    1,543,804.31/2,130,462.47 = 855,487.66/x
  3. Step 3: Cross multiply
    1,543,804.31x = 2,130,462.47 × 855,487.66
  4. Step 4: Simplify right side
    1,543,804.31x = 1,822,584,359,364.06
  5. Step 5: Solve for x
    x = 1,822,584,359,364.06/1,543,804.31
  6. Step 6: Final answer
    x = 1,180,579.91

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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.