Home / 1,118,097.10-1,677,160.23-319,404.70

Finding the Fourth Proportional to 1,118,097.10, 1,677,160.23 and 319,404.70

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Solution

The fourth proportional to 1,118,097.10, 1,677,160.23 and 319,404.70 is: 479,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,097.10 : 1,677,160.23 = 319,404.70 : x
  2. Step 2: Convert to fraction form
    1,118,097.10/1,677,160.23 = 319,404.70/x
  3. Step 3: Cross multiply
    1,118,097.10x = 1,677,160.23 × 319,404.70
  4. Step 4: Simplify right side
    1,118,097.10x = 535,692,860,115.08
  5. Step 5: Solve for x
    x = 535,692,860,115.08/1,118,097.10
  6. Step 6: Final answer
    x = 479,111.22

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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.