Home / 1,425,222.87-1,966,804.54-771,846.81

Finding the Fourth Proportional to 1,425,222.87, 1,966,804.54 and 771,846.81

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Solution

The fourth proportional to 1,425,222.87, 1,966,804.54 and 771,846.81 is: 1,065,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,222.87 : 1,966,804.54 = 771,846.81 : x
  2. Step 2: Convert to fraction form
    1,425,222.87/1,966,804.54 = 771,846.81/x
  3. Step 3: Cross multiply
    1,425,222.87x = 1,966,804.54 × 771,846.81
  4. Step 4: Simplify right side
    1,425,222.87x = 1,518,071,810,092.52
  5. Step 5: Solve for x
    x = 1,518,071,810,092.52/1,425,222.87
  6. Step 6: Final answer
    x = 1,065,146.96

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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.