Home / 1,028,715.64-1,542,325.80-429,848.20

Finding the Fourth Proportional to 1,028,715.64, 1,542,325.80 and 429,848.20

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Solution

The fourth proportional to 1,028,715.64, 1,542,325.80 and 429,848.20 is: 644,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,715.64 : 1,542,325.80 = 429,848.20 : x
  2. Step 2: Convert to fraction form
    1,028,715.64/1,542,325.80 = 429,848.20/x
  3. Step 3: Cross multiply
    1,028,715.64x = 1,542,325.80 × 429,848.20
  4. Step 4: Simplify right side
    1,028,715.64x = 662,965,968,943.56
  5. Step 5: Solve for x
    x = 662,965,968,943.56/1,028,715.64
  6. Step 6: Final answer
    x = 644,459.89

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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.