Home / 1,112,521.40-1,668,782.10-1,112,521.40

Finding the Fourth Proportional to 1,112,521.40, 1,668,782.10 and 1,112,521.40

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Solution

The fourth proportional to 1,112,521.40, 1,668,782.10 and 1,112,521.40 is: 1,668,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,521.40 : 1,668,782.10 = 1,112,521.40 : x
  2. Step 2: Convert to fraction form
    1,112,521.40/1,668,782.10 = 1,112,521.40/x
  3. Step 3: Cross multiply
    1,112,521.40x = 1,668,782.10 × 1,112,521.40
  4. Step 4: Simplify right side
    1,112,521.40x = 1,856,555,798,186.94
  5. Step 5: Solve for x
    x = 1,856,555,798,186.94/1,112,521.40
  6. Step 6: Final answer
    x = 1,668,782.10

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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.