Home / 1,415,426.56-1,953,343.95-803,636.25

Finding the Fourth Proportional to 1,415,426.56, 1,953,343.95 and 803,636.25

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Solution

The fourth proportional to 1,415,426.56, 1,953,343.95 and 803,636.25 is: 1,109,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,426.56 : 1,953,343.95 = 803,636.25 : x
  2. Step 2: Convert to fraction form
    1,415,426.56/1,953,343.95 = 803,636.25/x
  3. Step 3: Cross multiply
    1,415,426.56x = 1,953,343.95 × 803,636.25
  4. Step 4: Simplify right side
    1,415,426.56x = 1,569,778,005,211.45
  5. Step 5: Solve for x
    x = 1,569,778,005,211.45/1,415,426.56
  6. Step 6: Final answer
    x = 1,109,049.42

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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.