Home / 961,995.90-1,442,042.10-455,666.93

Finding the Fourth Proportional to 961,995.90, 1,442,042.10 and 455,666.93

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Solution

The fourth proportional to 961,995.90, 1,442,042.10 and 455,666.93 is: 683,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,995.90 : 1,442,042.10 = 455,666.93 : x
  2. Step 2: Convert to fraction form
    961,995.90/1,442,042.10 = 455,666.93/x
  3. Step 3: Cross multiply
    961,995.90x = 1,442,042.10 × 455,666.93
  4. Step 4: Simplify right side
    961,995.90x = 657,090,889,427.54
  5. Step 5: Solve for x
    x = 657,090,889,427.54/961,995.90
  6. Step 6: Final answer
    x = 683,049.57

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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.