Home / 1,261,342.34-1,890,888.61-462,437.72

Finding the Fourth Proportional to 1,261,342.34, 1,890,888.61 and 462,437.72

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Solution

The fourth proportional to 1,261,342.34, 1,890,888.61 and 462,437.72 is: 693,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,342.34 : 1,890,888.61 = 462,437.72 : x
  2. Step 2: Convert to fraction form
    1,261,342.34/1,890,888.61 = 462,437.72/x
  3. Step 3: Cross multiply
    1,261,342.34x = 1,890,888.61 × 462,437.72
  4. Step 4: Simplify right side
    1,261,342.34x = 874,418,217,582.37
  5. Step 5: Solve for x
    x = 874,418,217,582.37/1,261,342.34
  6. Step 6: Final answer
    x = 693,244.17

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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.