Home / 1,430,948.20-1,974,895.14-923,127.88

Finding the Fourth Proportional to 1,430,948.20, 1,974,895.14 and 923,127.88

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Solution

The fourth proportional to 1,430,948.20, 1,974,895.14 and 923,127.88 is: 1,274,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,948.20 : 1,974,895.14 = 923,127.88 : x
  2. Step 2: Convert to fraction form
    1,430,948.20/1,974,895.14 = 923,127.88/x
  3. Step 3: Cross multiply
    1,430,948.20x = 1,974,895.14 × 923,127.88
  4. Step 4: Simplify right side
    1,430,948.20x = 1,823,080,763,810.50
  5. Step 5: Solve for x
    x = 1,823,080,763,810.50/1,430,948.20
  6. Step 6: Final answer
    x = 1,274,036.87

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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.