Home / 1,879,699-2,593,987.22-1,020,259.42

Finding the Fourth Proportional to 1,879,699, 2,593,987.22 and 1,020,259.42

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Solution

The fourth proportional to 1,879,699, 2,593,987.22 and 1,020,259.42 is: 1,407,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,699 : 2,593,987.22 = 1,020,259.42 : x
  2. Step 2: Convert to fraction form
    1,879,699/2,593,987.22 = 1,020,259.42/x
  3. Step 3: Cross multiply
    1,879,699x = 2,593,987.22 × 1,020,259.42
  4. Step 4: Simplify right side
    1,879,699x = 2,646,539,896,564.61
  5. Step 5: Solve for x
    x = 2,646,539,896,564.61/1,879,699
  6. Step 6: Final answer
    x = 1,407,959.41

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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.