Home / 1,355,611.52-1,870,680.74-743,750.48

Finding the Fourth Proportional to 1,355,611.52, 1,870,680.74 and 743,750.48

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Solution

The fourth proportional to 1,355,611.52, 1,870,680.74 and 743,750.48 is: 1,026,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,611.52 : 1,870,680.74 = 743,750.48 : x
  2. Step 2: Convert to fraction form
    1,355,611.52/1,870,680.74 = 743,750.48/x
  3. Step 3: Cross multiply
    1,355,611.52x = 1,870,680.74 × 743,750.48
  4. Step 4: Simplify right side
    1,355,611.52x = 1,391,319,698,301.76
  5. Step 5: Solve for x
    x = 1,391,319,698,301.76/1,355,611.52
  6. Step 6: Final answer
    x = 1,026,341.01

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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.