Home / 1,031,218.76-1,423,060.47-572,306.67

Finding the Fourth Proportional to 1,031,218.76, 1,423,060.47 and 572,306.67

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Solution

The fourth proportional to 1,031,218.76, 1,423,060.47 and 572,306.67 is: 789,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,218.76 : 1,423,060.47 = 572,306.67 : x
  2. Step 2: Convert to fraction form
    1,031,218.76/1,423,060.47 = 572,306.67/x
  3. Step 3: Cross multiply
    1,031,218.76x = 1,423,060.47 × 572,306.67
  4. Step 4: Simplify right side
    1,031,218.76x = 814,426,998,794.34
  5. Step 5: Solve for x
    x = 814,426,998,794.34/1,031,218.76
  6. Step 6: Final answer
    x = 789,771.32

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Double scale
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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.