Home / 1,421,877.76-1,962,192.96-818,266.24

Finding the Fourth Proportional to 1,421,877.76, 1,962,192.96 and 818,266.24

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Solution

The fourth proportional to 1,421,877.76, 1,962,192.96 and 818,266.24 is: 1,129,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,877.76 : 1,962,192.96 = 818,266.24 : x
  2. Step 2: Convert to fraction form
    1,421,877.76/1,962,192.96 = 818,266.24/x
  3. Step 3: Cross multiply
    1,421,877.76x = 1,962,192.96 × 818,266.24
  4. Step 4: Simplify right side
    1,421,877.76x = 1,605,596,255,533.67
  5. Step 5: Solve for x
    x = 1,605,596,255,533.67/1,421,877.76
  6. Step 6: Final answer
    x = 1,129,208.36

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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.