Home / 1,428,522.24-2,142,714.12-530,139.12

Finding the Fourth Proportional to 1,428,522.24, 2,142,714.12 and 530,139.12

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Solution

The fourth proportional to 1,428,522.24, 2,142,714.12 and 530,139.12 is: 795,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,522.24 : 2,142,714.12 = 530,139.12 : x
  2. Step 2: Convert to fraction form
    1,428,522.24/2,142,714.12 = 530,139.12/x
  3. Step 3: Cross multiply
    1,428,522.24x = 2,142,714.12 × 530,139.12
  4. Step 4: Simplify right side
    1,428,522.24x = 1,135,936,577,988.37
  5. Step 5: Solve for x
    x = 1,135,936,577,988.37/1,428,522.24
  6. Step 6: Final answer
    x = 795,182.98

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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.