Home / 1,043,506.80-1,565,260.20-642,848.40

Finding the Fourth Proportional to 1,043,506.80, 1,565,260.20 and 642,848.40

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Solution

The fourth proportional to 1,043,506.80, 1,565,260.20 and 642,848.40 is: 964,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,506.80 : 1,565,260.20 = 642,848.40 : x
  2. Step 2: Convert to fraction form
    1,043,506.80/1,565,260.20 = 642,848.40/x
  3. Step 3: Cross multiply
    1,043,506.80x = 1,565,260.20 × 642,848.40
  4. Step 4: Simplify right side
    1,043,506.80x = 1,006,225,015,153.68
  5. Step 5: Solve for x
    x = 1,006,225,015,153.68/1,043,506.80
  6. Step 6: Final answer
    x = 964,272.60

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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.