Home / 1,415,272.85-1,953,057.08-803,420.27

Finding the Fourth Proportional to 1,415,272.85, 1,953,057.08 and 803,420.27

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Solution

The fourth proportional to 1,415,272.85, 1,953,057.08 and 803,420.27 is: 1,108,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,272.85 : 1,953,057.08 = 803,420.27 : x
  2. Step 2: Convert to fraction form
    1,415,272.85/1,953,057.08 = 803,420.27/x
  3. Step 3: Cross multiply
    1,415,272.85x = 1,953,057.08 × 803,420.27
  4. Step 4: Simplify right side
    1,415,272.85x = 1,569,125,646,539.01
  5. Step 5: Solve for x
    x = 1,569,125,646,539.01/1,415,272.85
  6. Step 6: Final answer
    x = 1,108,708.93

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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.