Home / 1,036,649.30-1,555,665.15-475,394.90

Finding the Fourth Proportional to 1,036,649.30, 1,555,665.15 and 475,394.90

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Solution

The fourth proportional to 1,036,649.30, 1,555,665.15 and 475,394.90 is: 713,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,649.30 : 1,555,665.15 = 475,394.90 : x
  2. Step 2: Convert to fraction form
    1,036,649.30/1,555,665.15 = 475,394.90/x
  3. Step 3: Cross multiply
    1,036,649.30x = 1,555,665.15 × 475,394.90
  4. Step 4: Simplify right side
    1,036,649.30x = 739,555,278,417.74
  5. Step 5: Solve for x
    x = 739,555,278,417.74/1,036,649.30
  6. Step 6: Final answer
    x = 713,409.33

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Double scale
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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.