Home / 1,554,948.50-2,145,095.26-909,969.39

Finding the Fourth Proportional to 1,554,948.50, 2,145,095.26 and 909,969.39

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Solution

The fourth proportional to 1,554,948.50, 2,145,095.26 and 909,969.39 is: 1,255,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,948.50 : 2,145,095.26 = 909,969.39 : x
  2. Step 2: Convert to fraction form
    1,554,948.50/2,145,095.26 = 909,969.39/x
  3. Step 3: Cross multiply
    1,554,948.50x = 2,145,095.26 × 909,969.39
  4. Step 4: Simplify right side
    1,554,948.50x = 1,951,971,022,959.17
  5. Step 5: Solve for x
    x = 1,951,971,022,959.17/1,554,948.50
  6. Step 6: Final answer
    x = 1,255,328.41

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1.5x scale

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.