Home / 1,172,801.28-1,617,465.60-901,526.40

Finding the Fourth Proportional to 1,172,801.28, 1,617,465.60 and 901,526.40

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Solution

The fourth proportional to 1,172,801.28, 1,617,465.60 and 901,526.40 is: 1,243,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,801.28 : 1,617,465.60 = 901,526.40 : x
  2. Step 2: Convert to fraction form
    1,172,801.28/1,617,465.60 = 901,526.40/x
  3. Step 3: Cross multiply
    1,172,801.28x = 1,617,465.60 × 901,526.40
  4. Step 4: Simplify right side
    1,172,801.28x = 1,458,187,939,491.84
  5. Step 5: Solve for x
    x = 1,458,187,939,491.84/1,172,801.28
  6. Step 6: Final answer
    x = 1,243,337.61

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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.