Home / 1,065,453-1,470,325.14-612,734.28

Finding the Fourth Proportional to 1,065,453, 1,470,325.14 and 612,734.28

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Solution

The fourth proportional to 1,065,453, 1,470,325.14 and 612,734.28 is: 845,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,453 : 1,470,325.14 = 612,734.28 : x
  2. Step 2: Convert to fraction form
    1,065,453/1,470,325.14 = 612,734.28/x
  3. Step 3: Cross multiply
    1,065,453x = 1,470,325.14 × 612,734.28
  4. Step 4: Simplify right side
    1,065,453x = 900,918,616,023.80
  5. Step 5: Solve for x
    x = 900,918,616,023.80/1,065,453
  6. Step 6: Final answer
    x = 845,573.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.