Home / 1,432,929.94-1,977,443.25-788,336.30

Finding the Fourth Proportional to 1,432,929.94, 1,977,443.25 and 788,336.30

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Solution

The fourth proportional to 1,432,929.94, 1,977,443.25 and 788,336.30 is: 1,087,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,929.94 : 1,977,443.25 = 788,336.30 : x
  2. Step 2: Convert to fraction form
    1,432,929.94/1,977,443.25 = 788,336.30/x
  3. Step 3: Cross multiply
    1,432,929.94x = 1,977,443.25 × 788,336.30
  4. Step 4: Simplify right side
    1,432,929.94x = 1,558,890,286,029.20
  5. Step 5: Solve for x
    x = 1,558,890,286,029.20/1,432,929.94
  6. Step 6: Final answer
    x = 1,087,904.05

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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.