Home / 1,180,038.30-1,628,032.95-696,361.38

Finding the Fourth Proportional to 1,180,038.30, 1,628,032.95 and 696,361.38

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Solution

The fourth proportional to 1,180,038.30, 1,628,032.95 and 696,361.38 is: 960,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,038.30 : 1,628,032.95 = 696,361.38 : x
  2. Step 2: Convert to fraction form
    1,180,038.30/1,628,032.95 = 696,361.38/x
  3. Step 3: Cross multiply
    1,180,038.30x = 1,628,032.95 × 696,361.38
  4. Step 4: Simplify right side
    1,180,038.30x = 1,133,699,271,747.47
  5. Step 5: Solve for x
    x = 1,133,699,271,747.47/1,180,038.30
  6. Step 6: Final answer
    x = 960,730.91

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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.