Home / 1,415,052.36-1,953,985.86-1,369,296.72

Finding the Fourth Proportional to 1,415,052.36, 1,953,985.86 and 1,369,296.72

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Solution

The fourth proportional to 1,415,052.36, 1,953,985.86 and 1,369,296.72 is: 1,890,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,052.36 : 1,953,985.86 = 1,369,296.72 : x
  2. Step 2: Convert to fraction form
    1,415,052.36/1,953,985.86 = 1,369,296.72/x
  3. Step 3: Cross multiply
    1,415,052.36x = 1,953,985.86 × 1,369,296.72
  4. Step 4: Simplify right side
    1,415,052.36x = 2,675,586,429,024.38
  5. Step 5: Solve for x
    x = 2,675,586,429,024.38/1,415,052.36
  6. Step 6: Final answer
    x = 1,890,803.84

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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.