Home / 1,531,938.95-2,297,243.70-520,789.28

Finding the Fourth Proportional to 1,531,938.95, 2,297,243.70 and 520,789.28

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Solution

The fourth proportional to 1,531,938.95, 2,297,243.70 and 520,789.28 is: 780,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,938.95 : 2,297,243.70 = 520,789.28 : x
  2. Step 2: Convert to fraction form
    1,531,938.95/2,297,243.70 = 520,789.28/x
  3. Step 3: Cross multiply
    1,531,938.95x = 2,297,243.70 × 520,789.28
  4. Step 4: Simplify right side
    1,531,938.95x = 1,196,379,881,021.32
  5. Step 5: Solve for x
    x = 1,196,379,881,021.32/1,531,938.95
  6. Step 6: Final answer
    x = 780,957.94

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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.