Home / 1,036,642.30-1,555,042.16-353,316.78

Finding the Fourth Proportional to 1,036,642.30, 1,555,042.16 and 353,316.78

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Solution

The fourth proportional to 1,036,642.30, 1,555,042.16 and 353,316.78 is: 530,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,642.30 : 1,555,042.16 = 353,316.78 : x
  2. Step 2: Convert to fraction form
    1,036,642.30/1,555,042.16 = 353,316.78/x
  3. Step 3: Cross multiply
    1,036,642.30x = 1,555,042.16 × 353,316.78
  4. Step 4: Simplify right side
    1,036,642.30x = 549,422,488,735.45
  5. Step 5: Solve for x
    x = 549,422,488,735.45/1,036,642.30
  6. Step 6: Final answer
    x = 530,002.00

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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.