Home / 1,531,202.40-2,113,038.54-852,138.90

Finding the Fourth Proportional to 1,531,202.40, 2,113,038.54 and 852,138.90

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Solution

The fourth proportional to 1,531,202.40, 2,113,038.54 and 852,138.90 is: 1,175,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,202.40 : 2,113,038.54 = 852,138.90 : x
  2. Step 2: Convert to fraction form
    1,531,202.40/2,113,038.54 = 852,138.90/x
  3. Step 3: Cross multiply
    1,531,202.40x = 2,113,038.54 × 852,138.90
  4. Step 4: Simplify right side
    1,531,202.40x = 1,800,602,337,133.21
  5. Step 5: Solve for x
    x = 1,800,602,337,133.21/1,531,202.40
  6. Step 6: Final answer
    x = 1,175,940.12

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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.