Home / 1,022,322.78-1,411,045.86-635,430.42

Finding the Fourth Proportional to 1,022,322.78, 1,411,045.86 and 635,430.42

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Solution

The fourth proportional to 1,022,322.78, 1,411,045.86 and 635,430.42 is: 877,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,322.78 : 1,411,045.86 = 635,430.42 : x
  2. Step 2: Convert to fraction form
    1,022,322.78/1,411,045.86 = 635,430.42/x
  3. Step 3: Cross multiply
    1,022,322.78x = 1,411,045.86 × 635,430.42
  4. Step 4: Simplify right side
    1,022,322.78x = 896,621,463,459.06
  5. Step 5: Solve for x
    x = 896,621,463,459.06/1,022,322.78
  6. Step 6: Final answer
    x = 877,043.42

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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.