Home / 1,110,031.65-1,664,026.86-399,886.02

Finding the Fourth Proportional to 1,110,031.65, 1,664,026.86 and 399,886.02

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Solution

The fourth proportional to 1,110,031.65, 1,664,026.86 and 399,886.02 is: 599,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,031.65 : 1,664,026.86 = 399,886.02 : x
  2. Step 2: Convert to fraction form
    1,110,031.65/1,664,026.86 = 399,886.02/x
  3. Step 3: Cross multiply
    1,110,031.65x = 1,664,026.86 × 399,886.02
  4. Step 4: Simplify right side
    1,110,031.65x = 665,421,078,218.50
  5. Step 5: Solve for x
    x = 665,421,078,218.50/1,110,031.65
  6. Step 6: Final answer
    x = 599,461.36

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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.