Home / 936,236.40-1,402,511.40-869,881.20

Finding the Fourth Proportional to 936,236.40, 1,402,511.40 and 869,881.20

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Solution

The fourth proportional to 936,236.40, 1,402,511.40 and 869,881.20 is: 1,303,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,236.40 : 1,402,511.40 = 869,881.20 : x
  2. Step 2: Convert to fraction form
    936,236.40/1,402,511.40 = 869,881.20/x
  3. Step 3: Cross multiply
    936,236.40x = 1,402,511.40 × 869,881.20
  4. Step 4: Simplify right side
    936,236.40x = 1,220,018,299,645.68
  5. Step 5: Solve for x
    x = 1,220,018,299,645.68/936,236.40
  6. Step 6: Final answer
    x = 1,303,109.24

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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.