Home / 1,369,850.40-2,054,775.60-423,316.80

Finding the Fourth Proportional to 1,369,850.40, 2,054,775.60 and 423,316.80

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Solution

The fourth proportional to 1,369,850.40, 2,054,775.60 and 423,316.80 is: 634,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,850.40 : 2,054,775.60 = 423,316.80 : x
  2. Step 2: Convert to fraction form
    1,369,850.40/2,054,775.60 = 423,316.80/x
  3. Step 3: Cross multiply
    1,369,850.40x = 2,054,775.60 × 423,316.80
  4. Step 4: Simplify right side
    1,369,850.40x = 869,821,031,710.08
  5. Step 5: Solve for x
    x = 869,821,031,710.08/1,369,850.40
  6. Step 6: Final answer
    x = 634,975.20

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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.