Home / 1,098,338.53-1,640,828.64-710,931.54

Finding the Fourth Proportional to 1,098,338.53, 1,640,828.64 and 710,931.54

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Solution

The fourth proportional to 1,098,338.53, 1,640,828.64 and 710,931.54 is: 1,062,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,338.53 : 1,640,828.64 = 710,931.54 : x
  2. Step 2: Convert to fraction form
    1,098,338.53/1,640,828.64 = 710,931.54/x
  3. Step 3: Cross multiply
    1,098,338.53x = 1,640,828.64 × 710,931.54
  4. Step 4: Simplify right side
    1,098,338.53x = 1,166,516,831,911.31
  5. Step 5: Solve for x
    x = 1,166,516,831,911.31/1,098,338.53
  6. Step 6: Final answer
    x = 1,062,074.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.