Home / 1,424,165.60-2,137,630.80-714,994.40

Finding the Fourth Proportional to 1,424,165.60, 2,137,630.80 and 714,994.40

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Solution

The fourth proportional to 1,424,165.60, 2,137,630.80 and 714,994.40 is: 1,073,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,165.60 : 2,137,630.80 = 714,994.40 : x
  2. Step 2: Convert to fraction form
    1,424,165.60/2,137,630.80 = 714,994.40/x
  3. Step 3: Cross multiply
    1,424,165.60x = 2,137,630.80 × 714,994.40
  4. Step 4: Simplify right side
    1,424,165.60x = 1,528,394,051,267.52
  5. Step 5: Solve for x
    x = 1,528,394,051,267.52/1,424,165.60
  6. Step 6: Final answer
    x = 1,073,185.63

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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.