Home / 1,574,256.90-2,361,684.72-1,089,981.30

Finding the Fourth Proportional to 1,574,256.90, 2,361,684.72 and 1,089,981.30

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Solution

The fourth proportional to 1,574,256.90, 2,361,684.72 and 1,089,981.30 is: 1,635,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,256.90 : 2,361,684.72 = 1,089,981.30 : x
  2. Step 2: Convert to fraction form
    1,574,256.90/2,361,684.72 = 1,089,981.30/x
  3. Step 3: Cross multiply
    1,574,256.90x = 2,361,684.72 × 1,089,981.30
  4. Step 4: Simplify right side
    1,574,256.90x = 2,574,192,181,295.74
  5. Step 5: Solve for x
    x = 2,574,192,181,295.74/1,574,256.90
  6. Step 6: Final answer
    x = 1,635,179.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.