Home / 1,535,429.57-2,118,818.85-837,668.84

Finding the Fourth Proportional to 1,535,429.57, 2,118,818.85 and 837,668.84

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Solution

The fourth proportional to 1,535,429.57, 2,118,818.85 and 837,668.84 is: 1,155,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,429.57 : 2,118,818.85 = 837,668.84 : x
  2. Step 2: Convert to fraction form
    1,535,429.57/2,118,818.85 = 837,668.84/x
  3. Step 3: Cross multiply
    1,535,429.57x = 2,118,818.85 × 837,668.84
  4. Step 4: Simplify right side
    1,535,429.57x = 1,774,868,533,546.68
  5. Step 5: Solve for x
    x = 1,774,868,533,546.68/1,535,429.57
  6. Step 6: Final answer
    x = 1,155,942.65

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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.