Home / 1,042,299.27-1,562,386.77-442,878.21

Finding the Fourth Proportional to 1,042,299.27, 1,562,386.77 and 442,878.21

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Solution

The fourth proportional to 1,042,299.27, 1,562,386.77 and 442,878.21 is: 663,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,299.27 : 1,562,386.77 = 442,878.21 : x
  2. Step 2: Convert to fraction form
    1,042,299.27/1,562,386.77 = 442,878.21/x
  3. Step 3: Cross multiply
    1,042,299.27x = 1,562,386.77 × 442,878.21
  4. Step 4: Simplify right side
    1,042,299.27x = 691,947,056,025.28
  5. Step 5: Solve for x
    x = 691,947,056,025.28/1,042,299.27
  6. Step 6: Final answer
    x = 663,866.01

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1.5x scale

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.