Home / 1,007,355.20-1,511,032.80-897,130.40

Finding the Fourth Proportional to 1,007,355.20, 1,511,032.80 and 897,130.40

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Solution

The fourth proportional to 1,007,355.20, 1,511,032.80 and 897,130.40 is: 1,345,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,355.20 : 1,511,032.80 = 897,130.40 : x
  2. Step 2: Convert to fraction form
    1,007,355.20/1,511,032.80 = 897,130.40/x
  3. Step 3: Cross multiply
    1,007,355.20x = 1,511,032.80 × 897,130.40
  4. Step 4: Simplify right side
    1,007,355.20x = 1,355,593,460,277.12
  5. Step 5: Solve for x
    x = 1,355,593,460,277.12/1,007,355.20
  6. Step 6: Final answer
    x = 1,345,695.60

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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.