Home / 1,229,925.60-1,697,299.90-686,047.34

Finding the Fourth Proportional to 1,229,925.60, 1,697,299.90 and 686,047.34

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Solution

The fourth proportional to 1,229,925.60, 1,697,299.90 and 686,047.34 is: 946,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,925.60 : 1,697,299.90 = 686,047.34 : x
  2. Step 2: Convert to fraction form
    1,229,925.60/1,697,299.90 = 686,047.34/x
  3. Step 3: Cross multiply
    1,229,925.60x = 1,697,299.90 × 686,047.34
  4. Step 4: Simplify right side
    1,229,925.60x = 1,164,428,084,105.40
  5. Step 5: Solve for x
    x = 1,164,428,084,105.40/1,229,925.60
  6. Step 6: Final answer
    x = 946,746.77

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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.