Home / 1,329,364.02-1,993,848.92-430,885.02

Finding the Fourth Proportional to 1,329,364.02, 1,993,848.92 and 430,885.02

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Solution

The fourth proportional to 1,329,364.02, 1,993,848.92 and 430,885.02 is: 646,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,364.02 : 1,993,848.92 = 430,885.02 : x
  2. Step 2: Convert to fraction form
    1,329,364.02/1,993,848.92 = 430,885.02/x
  3. Step 3: Cross multiply
    1,329,364.02x = 1,993,848.92 × 430,885.02
  4. Step 4: Simplify right side
    1,329,364.02x = 859,119,631,771.18
  5. Step 5: Solve for x
    x = 859,119,631,771.18/1,329,364.02
  6. Step 6: Final answer
    x = 646,263.64

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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.