Home / 1,000,510.79-1,380,695.45-541,613.61

Finding the Fourth Proportional to 1,000,510.79, 1,380,695.45 and 541,613.61

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Solution

The fourth proportional to 1,000,510.79, 1,380,695.45 and 541,613.61 is: 747,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,510.79 : 1,380,695.45 = 541,613.61 : x
  2. Step 2: Convert to fraction form
    1,000,510.79/1,380,695.45 = 541,613.61/x
  3. Step 3: Cross multiply
    1,000,510.79x = 1,380,695.45 × 541,613.61
  4. Step 4: Simplify right side
    1,000,510.79x = 747,803,444,277.01
  5. Step 5: Solve for x
    x = 747,803,444,277.01/1,000,510.79
  6. Step 6: Final answer
    x = 747,421.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.