Home / 1,355,615.76-2,030,712.56-815,574.18

Finding the Fourth Proportional to 1,355,615.76, 2,030,712.56 and 815,574.18

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Solution

The fourth proportional to 1,355,615.76, 2,030,712.56 and 815,574.18 is: 1,221,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,615.76 : 2,030,712.56 = 815,574.18 : x
  2. Step 2: Convert to fraction form
    1,355,615.76/2,030,712.56 = 815,574.18/x
  3. Step 3: Cross multiply
    1,355,615.76x = 2,030,712.56 × 815,574.18
  4. Step 4: Simplify right side
    1,355,615.76x = 1,656,196,730,937.70
  5. Step 5: Solve for x
    x = 1,656,196,730,937.70/1,355,615.76
  6. Step 6: Final answer
    x = 1,221,730.21

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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.