Home / 988,907.20-1,483,360.80-971,411.20

Finding the Fourth Proportional to 988,907.20, 1,483,360.80 and 971,411.20

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Solution

The fourth proportional to 988,907.20, 1,483,360.80 and 971,411.20 is: 1,457,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,907.20 : 1,483,360.80 = 971,411.20 : x
  2. Step 2: Convert to fraction form
    988,907.20/1,483,360.80 = 971,411.20/x
  3. Step 3: Cross multiply
    988,907.20x = 1,483,360.80 × 971,411.20
  4. Step 4: Simplify right side
    988,907.20x = 1,440,953,294,760.96
  5. Step 5: Solve for x
    x = 1,440,953,294,760.96/988,907.20
  6. Step 6: Final answer
    x = 1,457,116.80

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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.