Home / 1,890,870.84-2,609,418.36-1,031,434.92

Finding the Fourth Proportional to 1,890,870.84, 2,609,418.36 and 1,031,434.92

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Solution

The fourth proportional to 1,890,870.84, 2,609,418.36 and 1,031,434.92 is: 1,423,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,870.84 : 2,609,418.36 = 1,031,434.92 : x
  2. Step 2: Convert to fraction form
    1,890,870.84/2,609,418.36 = 1,031,434.92/x
  3. Step 3: Cross multiply
    1,890,870.84x = 2,609,418.36 × 1,031,434.92
  4. Step 4: Simplify right side
    1,890,870.84x = 2,691,445,217,393.13
  5. Step 5: Solve for x
    x = 2,691,445,217,393.13/1,890,870.84
  6. Step 6: Final answer
    x = 1,423,389.25

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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.