Home / 1,432,673.45-1,977,094.02-788,142.68

Finding the Fourth Proportional to 1,432,673.45, 1,977,094.02 and 788,142.68

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Solution

The fourth proportional to 1,432,673.45, 1,977,094.02 and 788,142.68 is: 1,087,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,673.45 : 1,977,094.02 = 788,142.68 : x
  2. Step 2: Convert to fraction form
    1,432,673.45/1,977,094.02 = 788,142.68/x
  3. Step 3: Cross multiply
    1,432,673.45x = 1,977,094.02 × 788,142.68
  4. Step 4: Simplify right side
    1,432,673.45x = 1,558,232,165,708.59
  5. Step 5: Solve for x
    x = 1,558,232,165,708.59/1,432,673.45
  6. Step 6: Final answer
    x = 1,087,639.46

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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.