Home / 1,415,406.10-1,953,421.77-842,448.10

Finding the Fourth Proportional to 1,415,406.10, 1,953,421.77 and 842,448.10

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Solution

The fourth proportional to 1,415,406.10, 1,953,421.77 and 842,448.10 is: 1,162,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,406.10 : 1,953,421.77 = 842,448.10 : x
  2. Step 2: Convert to fraction form
    1,415,406.10/1,953,421.77 = 842,448.10/x
  3. Step 3: Cross multiply
    1,415,406.10x = 1,953,421.77 × 842,448.10
  4. Step 4: Simplify right side
    1,415,406.10x = 1,645,656,458,635.14
  5. Step 5: Solve for x
    x = 1,645,656,458,635.14/1,415,406.10
  6. Step 6: Final answer
    x = 1,162,674.41

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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.