Home / 1,083,506.64-1,495,488-720,945.72

Finding the Fourth Proportional to 1,083,506.64, 1,495,488 and 720,945.72

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Solution

The fourth proportional to 1,083,506.64, 1,495,488 and 720,945.72 is: 995,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,506.64 : 1,495,488 = 720,945.72 : x
  2. Step 2: Convert to fraction form
    1,083,506.64/1,495,488 = 720,945.72/x
  3. Step 3: Cross multiply
    1,083,506.64x = 1,495,488 × 720,945.72
  4. Step 4: Simplify right side
    1,083,506.64x = 1,078,165,672,911.36
  5. Step 5: Solve for x
    x = 1,078,165,672,911.36/1,083,506.64
  6. Step 6: Final answer
    x = 995,070.67

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1.5x scale

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.