Home / 1,425,222.25-1,966,782.39-771,842.96

Finding the Fourth Proportional to 1,425,222.25, 1,966,782.39 and 771,842.96

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Solution

The fourth proportional to 1,425,222.25, 1,966,782.39 and 771,842.96 is: 1,065,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,222.25 : 1,966,782.39 = 771,842.96 : x
  2. Step 2: Convert to fraction form
    1,425,222.25/1,966,782.39 = 771,842.96/x
  3. Step 3: Cross multiply
    1,425,222.25x = 1,966,782.39 × 771,842.96
  4. Step 4: Simplify right side
    1,425,222.25x = 1,518,047,141,573.47
  5. Step 5: Solve for x
    x = 1,518,047,141,573.47/1,425,222.25
  6. Step 6: Final answer
    x = 1,065,130.12

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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.