Home / 877,614.40-1,316,421.60-735,896.80

Finding the Fourth Proportional to 877,614.40, 1,316,421.60 and 735,896.80

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Solution

The fourth proportional to 877,614.40, 1,316,421.60 and 735,896.80 is: 1,103,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,614.40 : 1,316,421.60 = 735,896.80 : x
  2. Step 2: Convert to fraction form
    877,614.40/1,316,421.60 = 735,896.80/x
  3. Step 3: Cross multiply
    877,614.40x = 1,316,421.60 × 735,896.80
  4. Step 4: Simplify right side
    877,614.40x = 968,750,442,890.88
  5. Step 5: Solve for x
    x = 968,750,442,890.88/877,614.40
  6. Step 6: Final answer
    x = 1,103,845.20

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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.