Home / 1,398,272.48-2,095,495.13-1,056,434.90

Finding the Fourth Proportional to 1,398,272.48, 2,095,495.13 and 1,056,434.90

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Solution

The fourth proportional to 1,398,272.48, 2,095,495.13 and 1,056,434.90 is: 1,583,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,272.48 : 2,095,495.13 = 1,056,434.90 : x
  2. Step 2: Convert to fraction form
    1,398,272.48/2,095,495.13 = 1,056,434.90/x
  3. Step 3: Cross multiply
    1,398,272.48x = 2,095,495.13 × 1,056,434.90
  4. Step 4: Simplify right side
    1,398,272.48x = 2,213,754,172,352.39
  5. Step 5: Solve for x
    x = 2,213,754,172,352.39/1,398,272.48
  6. Step 6: Final answer
    x = 1,583,206.57

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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.