Home / 1,142,862.72-1,577,152.77-633,565.09

Finding the Fourth Proportional to 1,142,862.72, 1,577,152.77 and 633,565.09

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Solution

The fourth proportional to 1,142,862.72, 1,577,152.77 and 633,565.09 is: 874,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,862.72 : 1,577,152.77 = 633,565.09 : x
  2. Step 2: Convert to fraction form
    1,142,862.72/1,577,152.77 = 633,565.09/x
  3. Step 3: Cross multiply
    1,142,862.72x = 1,577,152.77 × 633,565.09
  4. Step 4: Simplify right side
    1,142,862.72x = 999,228,939,828.18
  5. Step 5: Solve for x
    x = 999,228,939,828.18/1,142,862.72
  6. Step 6: Final answer
    x = 874,321.06

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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.