Home / 1,064,229.40-1,595,394.63-390,153.28

Finding the Fourth Proportional to 1,064,229.40, 1,595,394.63 and 390,153.28

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Solution

The fourth proportional to 1,064,229.40, 1,595,394.63 and 390,153.28 is: 584,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,229.40 : 1,595,394.63 = 390,153.28 : x
  2. Step 2: Convert to fraction form
    1,064,229.40/1,595,394.63 = 390,153.28/x
  3. Step 3: Cross multiply
    1,064,229.40x = 1,595,394.63 × 390,153.28
  4. Step 4: Simplify right side
    1,064,229.40x = 622,448,451,278.81
  5. Step 5: Solve for x
    x = 622,448,451,278.81/1,064,229.40
  6. Step 6: Final answer
    x = 584,881.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.