Home / 1,298,655.80-1,947,983.70-983,727.80

Finding the Fourth Proportional to 1,298,655.80, 1,947,983.70 and 983,727.80

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Solution

The fourth proportional to 1,298,655.80, 1,947,983.70 and 983,727.80 is: 1,475,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,655.80 : 1,947,983.70 = 983,727.80 : x
  2. Step 2: Convert to fraction form
    1,298,655.80/1,947,983.70 = 983,727.80/x
  3. Step 3: Cross multiply
    1,298,655.80x = 1,947,983.70 × 983,727.80
  4. Step 4: Simplify right side
    1,298,655.80x = 1,916,285,719,636.86
  5. Step 5: Solve for x
    x = 1,916,285,719,636.86/1,298,655.80
  6. Step 6: Final answer
    x = 1,475,591.70

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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.