Home / 1,429,967.88-1,973,379.46-785,447.64

Finding the Fourth Proportional to 1,429,967.88, 1,973,379.46 and 785,447.64

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Solution

The fourth proportional to 1,429,967.88, 1,973,379.46 and 785,447.64 is: 1,083,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,967.88 : 1,973,379.46 = 785,447.64 : x
  2. Step 2: Convert to fraction form
    1,429,967.88/1,973,379.46 = 785,447.64/x
  3. Step 3: Cross multiply
    1,429,967.88x = 1,973,379.46 × 785,447.64
  4. Step 4: Simplify right side
    1,429,967.88x = 1,549,986,239,681.47
  5. Step 5: Solve for x
    x = 1,549,986,239,681.47/1,429,967.88
  6. Step 6: Final answer
    x = 1,083,930.81

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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.