Home / 1,415,945.05-1,953,996.51-771,363.70

Finding the Fourth Proportional to 1,415,945.05, 1,953,996.51 and 771,363.70

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Solution

The fourth proportional to 1,415,945.05, 1,953,996.51 and 771,363.70 is: 1,064,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,945.05 : 1,953,996.51 = 771,363.70 : x
  2. Step 2: Convert to fraction form
    1,415,945.05/1,953,996.51 = 771,363.70/x
  3. Step 3: Cross multiply
    1,415,945.05x = 1,953,996.51 × 771,363.70
  4. Step 4: Simplify right side
    1,415,945.05x = 1,507,241,977,740.69
  5. Step 5: Solve for x
    x = 1,507,241,977,740.69/1,415,945.05
  6. Step 6: Final answer
    x = 1,064,477.73

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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.