Home / 1,551,239.58-2,326,898.25-429,318.30

Finding the Fourth Proportional to 1,551,239.58, 2,326,898.25 and 429,318.30

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Solution

The fourth proportional to 1,551,239.58, 2,326,898.25 and 429,318.30 is: 643,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,239.58 : 2,326,898.25 = 429,318.30 : x
  2. Step 2: Convert to fraction form
    1,551,239.58/2,326,898.25 = 429,318.30/x
  3. Step 3: Cross multiply
    1,551,239.58x = 2,326,898.25 × 429,318.30
  4. Step 4: Simplify right side
    1,551,239.58x = 998,980,000,962.98
  5. Step 5: Solve for x
    x = 998,980,000,962.98/1,551,239.58
  6. Step 6: Final answer
    x = 643,988.21

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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.