Home / 1,089,475.20-1,634,212.80-529,603.20

Finding the Fourth Proportional to 1,089,475.20, 1,634,212.80 and 529,603.20

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Solution

The fourth proportional to 1,089,475.20, 1,634,212.80 and 529,603.20 is: 794,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,475.20 : 1,634,212.80 = 529,603.20 : x
  2. Step 2: Convert to fraction form
    1,089,475.20/1,634,212.80 = 529,603.20/x
  3. Step 3: Cross multiply
    1,089,475.20x = 1,634,212.80 × 529,603.20
  4. Step 4: Simplify right side
    1,089,475.20x = 865,484,328,360.96
  5. Step 5: Solve for x
    x = 865,484,328,360.96/1,089,475.20
  6. Step 6: Final answer
    x = 794,404.80

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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.