Home / 1,990,870.08-2,986,315.80-494,962.08

Finding the Fourth Proportional to 1,990,870.08, 2,986,315.80 and 494,962.08

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Solution

The fourth proportional to 1,990,870.08, 2,986,315.80 and 494,962.08 is: 742,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,870.08 : 2,986,315.80 = 494,962.08 : x
  2. Step 2: Convert to fraction form
    1,990,870.08/2,986,315.80 = 494,962.08/x
  3. Step 3: Cross multiply
    1,990,870.08x = 2,986,315.80 × 494,962.08
  4. Step 4: Simplify right side
    1,990,870.08x = 1,478,113,079,904.86
  5. Step 5: Solve for x
    x = 1,478,113,079,904.86/1,990,870.08
  6. Step 6: Final answer
    x = 742,445.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.