Home / 1,164,235.20-1,742,853.60-690,676.80

Finding the Fourth Proportional to 1,164,235.20, 1,742,853.60 and 690,676.80

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Solution

The fourth proportional to 1,164,235.20, 1,742,853.60 and 690,676.80 is: 1,033,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,235.20 : 1,742,853.60 = 690,676.80 : x
  2. Step 2: Convert to fraction form
    1,164,235.20/1,742,853.60 = 690,676.80/x
  3. Step 3: Cross multiply
    1,164,235.20x = 1,742,853.60 × 690,676.80
  4. Step 4: Simplify right side
    1,164,235.20x = 1,203,748,547,316.48
  5. Step 5: Solve for x
    x = 1,203,748,547,316.48/1,164,235.20
  6. Step 6: Final answer
    x = 1,033,939.32

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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.