Home / 1,124,661.60-1,551,994.40-641,382.40

Finding the Fourth Proportional to 1,124,661.60, 1,551,994.40 and 641,382.40

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Solution

The fourth proportional to 1,124,661.60, 1,551,994.40 and 641,382.40 is: 885,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,661.60 : 1,551,994.40 = 641,382.40 : x
  2. Step 2: Convert to fraction form
    1,124,661.60/1,551,994.40 = 641,382.40/x
  3. Step 3: Cross multiply
    1,124,661.60x = 1,551,994.40 × 641,382.40
  4. Step 4: Simplify right side
    1,124,661.60x = 995,421,893,058.56
  5. Step 5: Solve for x
    x = 995,421,893,058.56/1,124,661.60
  6. Step 6: Final answer
    x = 885,085.69

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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.