Home / 1,415,892.96-1,953,931.44-779,988.96

Finding the Fourth Proportional to 1,415,892.96, 1,953,931.44 and 779,988.96

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Solution

The fourth proportional to 1,415,892.96, 1,953,931.44 and 779,988.96 is: 1,076,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,892.96 : 1,953,931.44 = 779,988.96 : x
  2. Step 2: Convert to fraction form
    1,415,892.96/1,953,931.44 = 779,988.96/x
  3. Step 3: Cross multiply
    1,415,892.96x = 1,953,931.44 × 779,988.96
  4. Step 4: Simplify right side
    1,415,892.96x = 1,524,044,951,796.90
  5. Step 5: Solve for x
    x = 1,524,044,951,796.90/1,415,892.96
  6. Step 6: Final answer
    x = 1,076,384.30

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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.