Home / 1,299,140-1,948,479.96-352,584.32

Finding the Fourth Proportional to 1,299,140, 1,948,479.96 and 352,584.32

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Solution

The fourth proportional to 1,299,140, 1,948,479.96 and 352,584.32 is: 528,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,140 : 1,948,479.96 = 352,584.32 : x
  2. Step 2: Convert to fraction form
    1,299,140/1,948,479.96 = 352,584.32/x
  3. Step 3: Cross multiply
    1,299,140x = 1,948,479.96 × 352,584.32
  4. Step 4: Simplify right side
    1,299,140x = 687,003,481,730.23
  5. Step 5: Solve for x
    x = 687,003,481,730.23/1,299,140
  6. Step 6: Final answer
    x = 528,814.05

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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.