Home / 1,458,547.50-2,187,803.65-378,964.51

Finding the Fourth Proportional to 1,458,547.50, 2,187,803.65 and 378,964.51

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Solution

The fourth proportional to 1,458,547.50, 2,187,803.65 and 378,964.51 is: 568,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,547.50 : 2,187,803.65 = 378,964.51 : x
  2. Step 2: Convert to fraction form
    1,458,547.50/2,187,803.65 = 378,964.51/x
  3. Step 3: Cross multiply
    1,458,547.50x = 2,187,803.65 × 378,964.51
  4. Step 4: Simplify right side
    1,458,547.50x = 829,099,938,198.46
  5. Step 5: Solve for x
    x = 829,099,938,198.46/1,458,547.50
  6. Step 6: Final answer
    x = 568,442.19

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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.