Home / 1,064,455.20-1,597,120.20-390,859.20

Finding the Fourth Proportional to 1,064,455.20, 1,597,120.20 and 390,859.20

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Solution

The fourth proportional to 1,064,455.20, 1,597,120.20 and 390,859.20 is: 586,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,455.20 : 1,597,120.20 = 390,859.20 : x
  2. Step 2: Convert to fraction form
    1,064,455.20/1,597,120.20 = 390,859.20/x
  3. Step 3: Cross multiply
    1,064,455.20x = 1,597,120.20 × 390,859.20
  4. Step 4: Simplify right side
    1,064,455.20x = 624,249,123,675.84
  5. Step 5: Solve for x
    x = 624,249,123,675.84/1,064,455.20
  6. Step 6: Final answer
    x = 586,449.41

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1.5x scale

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.