Home / 1,053,818.76-1,453,913.07-686,128.02

Finding the Fourth Proportional to 1,053,818.76, 1,453,913.07 and 686,128.02

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Solution

The fourth proportional to 1,053,818.76, 1,453,913.07 and 686,128.02 is: 946,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,818.76 : 1,453,913.07 = 686,128.02 : x
  2. Step 2: Convert to fraction form
    1,053,818.76/1,453,913.07 = 686,128.02/x
  3. Step 3: Cross multiply
    1,053,818.76x = 1,453,913.07 × 686,128.02
  4. Step 4: Simplify right side
    1,053,818.76x = 997,570,495,971.22
  5. Step 5: Solve for x
    x = 997,570,495,971.22/1,053,818.76
  6. Step 6: Final answer
    x = 946,624.35

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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.