Home / 736,744.80-1,102,352.40-670,389.60

Finding the Fourth Proportional to 736,744.80, 1,102,352.40 and 670,389.60

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Solution

The fourth proportional to 736,744.80, 1,102,352.40 and 670,389.60 is: 1,003,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,744.80 : 1,102,352.40 = 670,389.60 : x
  2. Step 2: Convert to fraction form
    736,744.80/1,102,352.40 = 670,389.60/x
  3. Step 3: Cross multiply
    736,744.80x = 1,102,352.40 × 670,389.60
  4. Step 4: Simplify right side
    736,744.80x = 739,005,584,495.04
  5. Step 5: Solve for x
    x = 739,005,584,495.04/736,744.80
  6. Step 6: Final answer
    x = 1,003,068.61

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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.