Home / 723,526.56-1,080,020.30-670,163.76

Finding the Fourth Proportional to 723,526.56, 1,080,020.30 and 670,163.76

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Solution

The fourth proportional to 723,526.56, 1,080,020.30 and 670,163.76 is: 1,000,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,526.56 : 1,080,020.30 = 670,163.76 : x
  2. Step 2: Convert to fraction form
    723,526.56/1,080,020.30 = 670,163.76/x
  3. Step 3: Cross multiply
    723,526.56x = 1,080,020.30 × 670,163.76
  4. Step 4: Simplify right side
    723,526.56x = 723,790,461,773.51
  5. Step 5: Solve for x
    x = 723,790,461,773.51/723,526.56
  6. Step 6: Final answer
    x = 1,000,364.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.