Home / 1,343,011.60-2,013,251.06-668,455.20

Finding the Fourth Proportional to 1,343,011.60, 2,013,251.06 and 668,455.20

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Solution

The fourth proportional to 1,343,011.60, 2,013,251.06 and 668,455.20 is: 1,002,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,011.60 : 2,013,251.06 = 668,455.20 : x
  2. Step 2: Convert to fraction form
    1,343,011.60/2,013,251.06 = 668,455.20/x
  3. Step 3: Cross multiply
    1,343,011.60x = 2,013,251.06 × 668,455.20
  4. Step 4: Simplify right side
    1,343,011.60x = 1,345,768,139,962.51
  5. Step 5: Solve for x
    x = 1,345,768,139,962.51/1,343,011.60
  6. Step 6: Final answer
    x = 1,002,052.51

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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.