Home / 1,345,907.80-2,019,218.10-587,423.80

Finding the Fourth Proportional to 1,345,907.80, 2,019,218.10 and 587,423.80

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Solution

The fourth proportional to 1,345,907.80, 2,019,218.10 and 587,423.80 is: 881,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,907.80 : 2,019,218.10 = 587,423.80 : x
  2. Step 2: Convert to fraction form
    1,345,907.80/2,019,218.10 = 587,423.80/x
  3. Step 3: Cross multiply
    1,345,907.80x = 2,019,218.10 × 587,423.80
  4. Step 4: Simplify right side
    1,345,907.80x = 1,186,136,769,330.78
  5. Step 5: Solve for x
    x = 1,186,136,769,330.78/1,345,907.80
  6. Step 6: Final answer
    x = 881,291.25

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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.