Home / 1,155,865.51-1,595,100.08-646,567.88

Finding the Fourth Proportional to 1,155,865.51, 1,595,100.08 and 646,567.88

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Solution

The fourth proportional to 1,155,865.51, 1,595,100.08 and 646,567.88 is: 892,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,865.51 : 1,595,100.08 = 646,567.88 : x
  2. Step 2: Convert to fraction form
    1,155,865.51/1,595,100.08 = 646,567.88/x
  3. Step 3: Cross multiply
    1,155,865.51x = 1,595,100.08 × 646,567.88
  4. Step 4: Simplify right side
    1,155,865.51x = 1,031,340,473,880.59
  5. Step 5: Solve for x
    x = 1,031,340,473,880.59/1,155,865.51
  6. Step 6: Final answer
    x = 892,266.85

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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.