Home / 910,421.80-1,365,632.70-833,658.10

Finding the Fourth Proportional to 910,421.80, 1,365,632.70 and 833,658.10

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Solution

The fourth proportional to 910,421.80, 1,365,632.70 and 833,658.10 is: 1,250,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,421.80 : 1,365,632.70 = 833,658.10 : x
  2. Step 2: Convert to fraction form
    910,421.80/1,365,632.70 = 833,658.10/x
  3. Step 3: Cross multiply
    910,421.80x = 1,365,632.70 × 833,658.10
  4. Step 4: Simplify right side
    910,421.80x = 1,138,470,761,979.87
  5. Step 5: Solve for x
    x = 1,138,470,761,979.87/910,421.80
  6. Step 6: Final answer
    x = 1,250,487.15

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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.