Home / 1,379,903.85-2,069,710.16-369,127.80

Finding the Fourth Proportional to 1,379,903.85, 2,069,710.16 and 369,127.80

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Solution

The fourth proportional to 1,379,903.85, 2,069,710.16 and 369,127.80 is: 553,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,903.85 : 2,069,710.16 = 369,127.80 : x
  2. Step 2: Convert to fraction form
    1,379,903.85/2,069,710.16 = 369,127.80/x
  3. Step 3: Cross multiply
    1,379,903.85x = 2,069,710.16 × 369,127.80
  4. Step 4: Simplify right side
    1,379,903.85x = 763,987,556,152.81
  5. Step 5: Solve for x
    x = 763,987,556,152.81/1,379,903.85
  6. Step 6: Final answer
    x = 553,652.75

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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.