Home / 1,401,975.81-2,102,964.02-442,528.32

Finding the Fourth Proportional to 1,401,975.81, 2,102,964.02 and 442,528.32

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Solution

The fourth proportional to 1,401,975.81, 2,102,964.02 and 442,528.32 is: 663,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,975.81 : 2,102,964.02 = 442,528.32 : x
  2. Step 2: Convert to fraction form
    1,401,975.81/2,102,964.02 = 442,528.32/x
  3. Step 3: Cross multiply
    1,401,975.81x = 2,102,964.02 × 442,528.32
  4. Step 4: Simplify right side
    1,401,975.81x = 930,621,136,209.42
  5. Step 5: Solve for x
    x = 930,621,136,209.42/1,401,975.81
  6. Step 6: Final answer
    x = 663,792.58

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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.