Home / 1,089,752.32-1,634,612.04-490,290.15

Finding the Fourth Proportional to 1,089,752.32, 1,634,612.04 and 490,290.15

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Solution

The fourth proportional to 1,089,752.32, 1,634,612.04 and 490,290.15 is: 735,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,752.32 : 1,634,612.04 = 490,290.15 : x
  2. Step 2: Convert to fraction form
    1,089,752.32/1,634,612.04 = 490,290.15/x
  3. Step 3: Cross multiply
    1,089,752.32x = 1,634,612.04 × 490,290.15
  4. Step 4: Simplify right side
    1,089,752.32x = 801,434,182,283.41
  5. Step 5: Solve for x
    x = 801,434,182,283.41/1,089,752.32
  6. Step 6: Final answer
    x = 735,427.83

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Double scale
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1.5x scale

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.