Home / 1,432,938.48-1,977,455.01-788,344.84

Finding the Fourth Proportional to 1,432,938.48, 1,977,455.01 and 788,344.84

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Solution

The fourth proportional to 1,432,938.48, 1,977,455.01 and 788,344.84 is: 1,087,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,938.48 : 1,977,455.01 = 788,344.84 : x
  2. Step 2: Convert to fraction form
    1,432,938.48/1,977,455.01 = 788,344.84/x
  3. Step 3: Cross multiply
    1,432,938.48x = 1,977,455.01 × 788,344.84
  4. Step 4: Simplify right side
    1,432,938.48x = 1,558,916,453,465.65
  5. Step 5: Solve for x
    x = 1,558,916,453,465.65/1,432,938.48
  6. Step 6: Final answer
    x = 1,087,915.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.