Home / 1,433,343.64-1,977,972.30-788,763.46

Finding the Fourth Proportional to 1,433,343.64, 1,977,972.30 and 788,763.46

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Solution

The fourth proportional to 1,433,343.64, 1,977,972.30 and 788,763.46 is: 1,088,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,343.64 : 1,977,972.30 = 788,763.46 : x
  2. Step 2: Convert to fraction form
    1,433,343.64/1,977,972.30 = 788,763.46/x
  3. Step 3: Cross multiply
    1,433,343.64x = 1,977,972.30 × 788,763.46
  4. Step 4: Simplify right side
    1,433,343.64x = 1,560,152,275,132.16
  5. Step 5: Solve for x
    x = 1,560,152,275,132.16/1,433,343.64
  6. Step 6: Final answer
    x = 1,088,470.50

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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.