Home / 1,056,068.52-1,581,083.91-989,031.48

Finding the Fourth Proportional to 1,056,068.52, 1,581,083.91 and 989,031.48

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Solution

The fourth proportional to 1,056,068.52, 1,581,083.91 and 989,031.48 is: 1,480,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,068.52 : 1,581,083.91 = 989,031.48 : x
  2. Step 2: Convert to fraction form
    1,056,068.52/1,581,083.91 = 989,031.48/x
  3. Step 3: Cross multiply
    1,056,068.52x = 1,581,083.91 × 989,031.48
  4. Step 4: Simplify right side
    1,056,068.52x = 1,563,741,759,511.49
  5. Step 5: Solve for x
    x = 1,563,741,759,511.49/1,056,068.52
  6. Step 6: Final answer
    x = 1,480,719.98

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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.