Home / 1,539,854.50-2,309,742.87-417,894.34

Finding the Fourth Proportional to 1,539,854.50, 2,309,742.87 and 417,894.34

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Solution

The fourth proportional to 1,539,854.50, 2,309,742.87 and 417,894.34 is: 626,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,854.50 : 2,309,742.87 = 417,894.34 : x
  2. Step 2: Convert to fraction form
    1,539,854.50/2,309,742.87 = 417,894.34/x
  3. Step 3: Cross multiply
    1,539,854.50x = 2,309,742.87 × 417,894.34
  4. Step 4: Simplify right side
    1,539,854.50x = 965,228,472,228.36
  5. Step 5: Solve for x
    x = 965,228,472,228.36/1,539,854.50
  6. Step 6: Final answer
    x = 626,830.96

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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.