Home / 1,122,661.38-1,550,911.95-971,495.94

Finding the Fourth Proportional to 1,122,661.38, 1,550,911.95 and 971,495.94

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Solution

The fourth proportional to 1,122,661.38, 1,550,911.95 and 971,495.94 is: 1,342,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,661.38 : 1,550,911.95 = 971,495.94 : x
  2. Step 2: Convert to fraction form
    1,122,661.38/1,550,911.95 = 971,495.94/x
  3. Step 3: Cross multiply
    1,122,661.38x = 1,550,911.95 × 971,495.94
  4. Step 4: Simplify right side
    1,122,661.38x = 1,506,704,662,722.48
  5. Step 5: Solve for x
    x = 1,506,704,662,722.48/1,122,661.38
  6. Step 6: Final answer
    x = 1,342,082.92

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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.