Home / 1,692,483.49-2,539,145.42-839,955.25

Finding the Fourth Proportional to 1,692,483.49, 2,539,145.42 and 839,955.25

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Solution

The fourth proportional to 1,692,483.49, 2,539,145.42 and 839,955.25 is: 1,260,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,483.49 : 2,539,145.42 = 839,955.25 : x
  2. Step 2: Convert to fraction form
    1,692,483.49/2,539,145.42 = 839,955.25/x
  3. Step 3: Cross multiply
    1,692,483.49x = 2,539,145.42 × 839,955.25
  4. Step 4: Simplify right side
    1,692,483.49x = 2,132,768,509,146.95
  5. Step 5: Solve for x
    x = 2,132,768,509,146.95/1,692,483.49
  6. Step 6: Final answer
    x = 1,260,141.40

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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.