Home / 1,685,688.03-2,324,261.79-1,362,398.40

Finding the Fourth Proportional to 1,685,688.03, 2,324,261.79 and 1,362,398.40

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Solution

The fourth proportional to 1,685,688.03, 2,324,261.79 and 1,362,398.40 is: 1,878,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,688.03 : 2,324,261.79 = 1,362,398.40 : x
  2. Step 2: Convert to fraction form
    1,685,688.03/2,324,261.79 = 1,362,398.40/x
  3. Step 3: Cross multiply
    1,685,688.03x = 2,324,261.79 × 1,362,398.40
  4. Step 4: Simplify right side
    1,685,688.03x = 3,166,570,543,877.14
  5. Step 5: Solve for x
    x = 3,166,570,543,877.14/1,685,688.03
  6. Step 6: Final answer
    x = 1,878,503.31

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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.