Home / 1,356,669.60-1,872,211.28-847,667.20

Finding the Fourth Proportional to 1,356,669.60, 1,872,211.28 and 847,667.20

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Solution

The fourth proportional to 1,356,669.60, 1,872,211.28 and 847,667.20 is: 1,169,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,669.60 : 1,872,211.28 = 847,667.20 : x
  2. Step 2: Convert to fraction form
    1,356,669.60/1,872,211.28 = 847,667.20/x
  3. Step 3: Cross multiply
    1,356,669.60x = 1,872,211.28 × 847,667.20
  4. Step 4: Simplify right side
    1,356,669.60x = 1,587,012,093,526.02
  5. Step 5: Solve for x
    x = 1,587,012,093,526.02/1,356,669.60
  6. Step 6: Final answer
    x = 1,169,785.25

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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.