Home / 1,425,225.55-1,966,786.93-771,846.27

Finding the Fourth Proportional to 1,425,225.55, 1,966,786.93 and 771,846.27

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Solution

The fourth proportional to 1,425,225.55, 1,966,786.93 and 771,846.27 is: 1,065,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,225.55 : 1,966,786.93 = 771,846.27 : x
  2. Step 2: Convert to fraction form
    1,425,225.55/1,966,786.93 = 771,846.27/x
  3. Step 3: Cross multiply
    1,425,225.55x = 1,966,786.93 × 771,846.27
  4. Step 4: Simplify right side
    1,425,225.55x = 1,518,057,155,805.25
  5. Step 5: Solve for x
    x = 1,518,057,155,805.25/1,425,225.55
  6. Step 6: Final answer
    x = 1,065,134.68

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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.