Home / 1,406,450.10-1,940,910.50-761,870.34

Finding the Fourth Proportional to 1,406,450.10, 1,940,910.50 and 761,870.34

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Solution

The fourth proportional to 1,406,450.10, 1,940,910.50 and 761,870.34 is: 1,051,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,450.10 : 1,940,910.50 = 761,870.34 : x
  2. Step 2: Convert to fraction form
    1,406,450.10/1,940,910.50 = 761,870.34/x
  3. Step 3: Cross multiply
    1,406,450.10x = 1,940,910.50 × 761,870.34
  4. Step 4: Simplify right side
    1,406,450.10x = 1,478,722,142,544.57
  5. Step 5: Solve for x
    x = 1,478,722,142,544.57/1,406,450.10
  6. Step 6: Final answer
    x = 1,051,386.14

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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.