Home / 1,448,421.40-2,172,621.30-437,541.40

Finding the Fourth Proportional to 1,448,421.40, 2,172,621.30 and 437,541.40

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Solution

The fourth proportional to 1,448,421.40, 2,172,621.30 and 437,541.40 is: 656,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,421.40 : 2,172,621.30 = 437,541.40 : x
  2. Step 2: Convert to fraction form
    1,448,421.40/2,172,621.30 = 437,541.40/x
  3. Step 3: Cross multiply
    1,448,421.40x = 2,172,621.30 × 437,541.40
  4. Step 4: Simplify right side
    1,448,421.40x = 950,611,765,271.82
  5. Step 5: Solve for x
    x = 950,611,765,271.82/1,448,421.40
  6. Step 6: Final answer
    x = 656,308.84

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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.