Home / 1,420,937.40-2,130,369.30-579,055.80

Finding the Fourth Proportional to 1,420,937.40, 2,130,369.30 and 579,055.80

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Solution

The fourth proportional to 1,420,937.40, 2,130,369.30 and 579,055.80 is: 868,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,937.40 : 2,130,369.30 = 579,055.80 : x
  2. Step 2: Convert to fraction form
    1,420,937.40/2,130,369.30 = 579,055.80/x
  3. Step 3: Cross multiply
    1,420,937.40x = 2,130,369.30 × 579,055.80
  4. Step 4: Simplify right side
    1,420,937.40x = 1,233,602,699,306.94
  5. Step 5: Solve for x
    x = 1,233,602,699,306.94/1,420,937.40
  6. Step 6: Final answer
    x = 868,161.19

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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.