Home / 912,004.80-1,368,007.20-893,342.40

Finding the Fourth Proportional to 912,004.80, 1,368,007.20 and 893,342.40

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Solution

The fourth proportional to 912,004.80, 1,368,007.20 and 893,342.40 is: 1,340,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,004.80 : 1,368,007.20 = 893,342.40 : x
  2. Step 2: Convert to fraction form
    912,004.80/1,368,007.20 = 893,342.40/x
  3. Step 3: Cross multiply
    912,004.80x = 1,368,007.20 × 893,342.40
  4. Step 4: Simplify right side
    912,004.80x = 1,222,098,835,265.28
  5. Step 5: Solve for x
    x = 1,222,098,835,265.28/912,004.80
  6. Step 6: Final answer
    x = 1,340,013.60

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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.