Home / 990,870.60-1,364,293.62-874,463.88

Finding the Fourth Proportional to 990,870.60, 1,364,293.62 and 874,463.88

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Solution

The fourth proportional to 990,870.60, 1,364,293.62 and 874,463.88 is: 1,204,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,870.60 : 1,364,293.62 = 874,463.88 : x
  2. Step 2: Convert to fraction form
    990,870.60/1,364,293.62 = 874,463.88/x
  3. Step 3: Cross multiply
    990,870.60x = 1,364,293.62 × 874,463.88
  4. Step 4: Simplify right side
    990,870.60x = 1,193,025,492,404.45
  5. Step 5: Solve for x
    x = 1,193,025,492,404.45/990,870.60
  6. Step 6: Final answer
    x = 1,204,017.45

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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.