Home / 1,064,266.20-1,596,399.30-390,123.45

Finding the Fourth Proportional to 1,064,266.20, 1,596,399.30 and 390,123.45

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Solution

The fourth proportional to 1,064,266.20, 1,596,399.30 and 390,123.45 is: 585,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,266.20 : 1,596,399.30 = 390,123.45 : x
  2. Step 2: Convert to fraction form
    1,064,266.20/1,596,399.30 = 390,123.45/x
  3. Step 3: Cross multiply
    1,064,266.20x = 1,596,399.30 × 390,123.45
  4. Step 4: Simplify right side
    1,064,266.20x = 622,792,802,493.59
  5. Step 5: Solve for x
    x = 622,792,802,493.59/1,064,266.20
  6. Step 6: Final answer
    x = 585,185.18

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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.