Home / 1,354,051.80-1,869,340.20-1,210,467.96

Finding the Fourth Proportional to 1,354,051.80, 1,869,340.20 and 1,210,467.96

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Solution

The fourth proportional to 1,354,051.80, 1,869,340.20 and 1,210,467.96 is: 1,671,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,051.80 : 1,869,340.20 = 1,210,467.96 : x
  2. Step 2: Convert to fraction form
    1,354,051.80/1,869,340.20 = 1,210,467.96/x
  3. Step 3: Cross multiply
    1,354,051.80x = 1,869,340.20 × 1,210,467.96
  4. Step 4: Simplify right side
    1,354,051.80x = 2,262,776,418,439.99
  5. Step 5: Solve for x
    x = 2,262,776,418,439.99/1,354,051.80
  6. Step 6: Final answer
    x = 1,671,115.11

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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.