Home / 786,977.60-1,180,466.40-684,334.40

Finding the Fourth Proportional to 786,977.60, 1,180,466.40 and 684,334.40

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Solution

The fourth proportional to 786,977.60, 1,180,466.40 and 684,334.40 is: 1,026,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,977.60 : 1,180,466.40 = 684,334.40 : x
  2. Step 2: Convert to fraction form
    786,977.60/1,180,466.40 = 684,334.40/x
  3. Step 3: Cross multiply
    786,977.60x = 1,180,466.40 × 684,334.40
  4. Step 4: Simplify right side
    786,977.60x = 807,833,765,564.16
  5. Step 5: Solve for x
    x = 807,833,765,564.16/786,977.60
  6. Step 6: Final answer
    x = 1,026,501.60

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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.