Home / 1,429,428.38-1,972,597.47-784,842.89

Finding the Fourth Proportional to 1,429,428.38, 1,972,597.47 and 784,842.89

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Solution

The fourth proportional to 1,429,428.38, 1,972,597.47 and 784,842.89 is: 1,083,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,428.38 : 1,972,597.47 = 784,842.89 : x
  2. Step 2: Convert to fraction form
    1,429,428.38/1,972,597.47 = 784,842.89/x
  3. Step 3: Cross multiply
    1,429,428.38x = 1,972,597.47 × 784,842.89
  4. Step 4: Simplify right side
    1,429,428.38x = 1,548,179,099,161.49
  5. Step 5: Solve for x
    x = 1,548,179,099,161.49/1,429,428.38
  6. Step 6: Final answer
    x = 1,083,075.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.