Home / 1,056,411.09-1,458,412.16-826,479.63

Finding the Fourth Proportional to 1,056,411.09, 1,458,412.16 and 826,479.63

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Solution

The fourth proportional to 1,056,411.09, 1,458,412.16 and 826,479.63 is: 1,140,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,411.09 : 1,458,412.16 = 826,479.63 : x
  2. Step 2: Convert to fraction form
    1,056,411.09/1,458,412.16 = 826,479.63/x
  3. Step 3: Cross multiply
    1,056,411.09x = 1,458,412.16 × 826,479.63
  4. Step 4: Simplify right side
    1,056,411.09x = 1,205,347,938,251.90
  5. Step 5: Solve for x
    x = 1,205,347,938,251.90/1,056,411.09
  6. Step 6: Final answer
    x = 1,140,983.80

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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.