Home / 1,531,316.48-2,113,180.80-852,238.40

Finding the Fourth Proportional to 1,531,316.48, 2,113,180.80 and 852,238.40

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Solution

The fourth proportional to 1,531,316.48, 2,113,180.80 and 852,238.40 is: 1,176,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,316.48 : 2,113,180.80 = 852,238.40 : x
  2. Step 2: Convert to fraction form
    1,531,316.48/2,113,180.80 = 852,238.40/x
  3. Step 3: Cross multiply
    1,531,316.48x = 2,113,180.80 × 852,238.40
  4. Step 4: Simplify right side
    1,531,316.48x = 1,800,933,823,902.72
  5. Step 5: Solve for x
    x = 1,800,933,823,902.72/1,531,316.48
  6. Step 6: Final answer
    x = 1,176,068.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.