Home / 1,539,957.40-2,125,085.50-842,214.36

Finding the Fourth Proportional to 1,539,957.40, 2,125,085.50 and 842,214.36

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Solution

The fourth proportional to 1,539,957.40, 2,125,085.50 and 842,214.36 is: 1,162,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,957.40 : 2,125,085.50 = 842,214.36 : x
  2. Step 2: Convert to fraction form
    1,539,957.40/2,125,085.50 = 842,214.36/x
  3. Step 3: Cross multiply
    1,539,957.40x = 2,125,085.50 × 842,214.36
  4. Step 4: Simplify right side
    1,539,957.40x = 1,789,777,524,327.78
  5. Step 5: Solve for x
    x = 1,789,777,524,327.78/1,539,957.40
  6. Step 6: Final answer
    x = 1,162,225.35

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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.