Home / 860,756.40-1,289,579.40-736,340.40

Finding the Fourth Proportional to 860,756.40, 1,289,579.40 and 736,340.40

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Solution

The fourth proportional to 860,756.40, 1,289,579.40 and 736,340.40 is: 1,103,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,756.40 : 1,289,579.40 = 736,340.40 : x
  2. Step 2: Convert to fraction form
    860,756.40/1,289,579.40 = 736,340.40/x
  3. Step 3: Cross multiply
    860,756.40x = 1,289,579.40 × 736,340.40
  4. Step 4: Simplify right side
    860,756.40x = 949,569,411,227.76
  5. Step 5: Solve for x
    x = 949,569,411,227.76/860,756.40
  6. Step 6: Final answer
    x = 1,103,180.19

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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.