Home / 1,559,987.80-2,339,981.70-438,056.80

Finding the Fourth Proportional to 1,559,987.80, 2,339,981.70 and 438,056.80

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Solution

The fourth proportional to 1,559,987.80, 2,339,981.70 and 438,056.80 is: 657,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,987.80 : 2,339,981.70 = 438,056.80 : x
  2. Step 2: Convert to fraction form
    1,559,987.80/2,339,981.70 = 438,056.80/x
  3. Step 3: Cross multiply
    1,559,987.80x = 2,339,981.70 × 438,056.80
  4. Step 4: Simplify right side
    1,559,987.80x = 1,025,044,895,560.56
  5. Step 5: Solve for x
    x = 1,025,044,895,560.56/1,559,987.80
  6. Step 6: Final answer
    x = 657,085.20

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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.