Home / 877,621.20-1,316,431.80-735,903.60

Finding the Fourth Proportional to 877,621.20, 1,316,431.80 and 735,903.60

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Solution

The fourth proportional to 877,621.20, 1,316,431.80 and 735,903.60 is: 1,103,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,621.20 : 1,316,431.80 = 735,903.60 : x
  2. Step 2: Convert to fraction form
    877,621.20/1,316,431.80 = 735,903.60/x
  3. Step 3: Cross multiply
    877,621.20x = 1,316,431.80 × 735,903.60
  4. Step 4: Simplify right side
    877,621.20x = 968,766,900,774.48
  5. Step 5: Solve for x
    x = 968,766,900,774.48/877,621.20
  6. Step 6: Final answer
    x = 1,103,855.40

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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.