Home / 1,490,074.11-2,056,346.73-917,444.61

Finding the Fourth Proportional to 1,490,074.11, 2,056,346.73 and 917,444.61

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Solution

The fourth proportional to 1,490,074.11, 2,056,346.73 and 917,444.61 is: 1,266,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,074.11 : 2,056,346.73 = 917,444.61 : x
  2. Step 2: Convert to fraction form
    1,490,074.11/2,056,346.73 = 917,444.61/x
  3. Step 3: Cross multiply
    1,490,074.11x = 2,056,346.73 × 917,444.61
  4. Step 4: Simplify right side
    1,490,074.11x = 1,886,584,223,729.63
  5. Step 5: Solve for x
    x = 1,886,584,223,729.63/1,490,074.11
  6. Step 6: Final answer
    x = 1,266,100.93

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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.