Home / 1,064,344-1,596,726.32-390,431.56

Finding the Fourth Proportional to 1,064,344, 1,596,726.32 and 390,431.56

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Solution

The fourth proportional to 1,064,344, 1,596,726.32 and 390,431.56 is: 585,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,344 : 1,596,726.32 = 390,431.56 : x
  2. Step 2: Convert to fraction form
    1,064,344/1,596,726.32 = 390,431.56/x
  3. Step 3: Cross multiply
    1,064,344x = 1,596,726.32 × 390,431.56
  4. Step 4: Simplify right side
    1,064,344x = 623,412,348,010.66
  5. Step 5: Solve for x
    x = 623,412,348,010.66/1,064,344
  6. Step 6: Final answer
    x = 585,724.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.