Home / 1,432,929.77-1,977,443.01-788,336.13

Finding the Fourth Proportional to 1,432,929.77, 1,977,443.01 and 788,336.13

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Solution

The fourth proportional to 1,432,929.77, 1,977,443.01 and 788,336.13 is: 1,087,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,929.77 : 1,977,443.01 = 788,336.13 : x
  2. Step 2: Convert to fraction form
    1,432,929.77/1,977,443.01 = 788,336.13/x
  3. Step 3: Cross multiply
    1,432,929.77x = 1,977,443.01 × 788,336.13
  4. Step 4: Simplify right side
    1,432,929.77x = 1,558,889,776,713.40
  5. Step 5: Solve for x
    x = 1,558,889,776,713.40/1,432,929.77
  6. Step 6: Final answer
    x = 1,087,903.83

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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.