Home / 1,312,107.60-1,810,880.52-739,258.32

Finding the Fourth Proportional to 1,312,107.60, 1,810,880.52 and 739,258.32

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Solution

The fourth proportional to 1,312,107.60, 1,810,880.52 and 739,258.32 is: 1,020,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,107.60 : 1,810,880.52 = 739,258.32 : x
  2. Step 2: Convert to fraction form
    1,312,107.60/1,810,880.52 = 739,258.32/x
  3. Step 3: Cross multiply
    1,312,107.60x = 1,810,880.52 × 739,258.32
  4. Step 4: Simplify right side
    1,312,107.60x = 1,338,708,490,935.93
  5. Step 5: Solve for x
    x = 1,338,708,490,935.93/1,312,107.60
  6. Step 6: Final answer
    x = 1,020,273.41

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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.