Home / 1,450,181.20-2,175,271.80-385,387.60

Finding the Fourth Proportional to 1,450,181.20, 2,175,271.80 and 385,387.60

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Solution

The fourth proportional to 1,450,181.20, 2,175,271.80 and 385,387.60 is: 578,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,181.20 : 2,175,271.80 = 385,387.60 : x
  2. Step 2: Convert to fraction form
    1,450,181.20/2,175,271.80 = 385,387.60/x
  3. Step 3: Cross multiply
    1,450,181.20x = 2,175,271.80 × 385,387.60
  4. Step 4: Simplify right side
    1,450,181.20x = 838,322,778,349.68
  5. Step 5: Solve for x
    x = 838,322,778,349.68/1,450,181.20
  6. Step 6: Final answer
    x = 578,081.40

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1.5x scale

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.