Home / 788,701.80-1,183,052.70-781,703.40

Finding the Fourth Proportional to 788,701.80, 1,183,052.70 and 781,703.40

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Solution

The fourth proportional to 788,701.80, 1,183,052.70 and 781,703.40 is: 1,172,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,701.80 : 1,183,052.70 = 781,703.40 : x
  2. Step 2: Convert to fraction form
    788,701.80/1,183,052.70 = 781,703.40/x
  3. Step 3: Cross multiply
    788,701.80x = 1,183,052.70 × 781,703.40
  4. Step 4: Simplify right side
    788,701.80x = 924,796,317,969.18
  5. Step 5: Solve for x
    x = 924,796,317,969.18/788,701.80
  6. Step 6: Final answer
    x = 1,172,555.10

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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.