Home / 1,045,294.49-1,567,938.65-287,136.73

Finding the Fourth Proportional to 1,045,294.49, 1,567,938.65 and 287,136.73

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Solution

The fourth proportional to 1,045,294.49, 1,567,938.65 and 287,136.73 is: 430,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,294.49 : 1,567,938.65 = 287,136.73 : x
  2. Step 2: Convert to fraction form
    1,045,294.49/1,567,938.65 = 287,136.73/x
  3. Step 3: Cross multiply
    1,045,294.49x = 1,567,938.65 × 287,136.73
  4. Step 4: Simplify right side
    1,045,294.49x = 450,212,771,446.08
  5. Step 5: Solve for x
    x = 450,212,771,446.08/1,045,294.49
  6. Step 6: Final answer
    x = 430,704.24

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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.