Home / 1,445,366.10-2,167,174.35-646,498.74

Finding the Fourth Proportional to 1,445,366.10, 2,167,174.35 and 646,498.74

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Solution

The fourth proportional to 1,445,366.10, 2,167,174.35 and 646,498.74 is: 969,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,366.10 : 2,167,174.35 = 646,498.74 : x
  2. Step 2: Convert to fraction form
    1,445,366.10/2,167,174.35 = 646,498.74/x
  3. Step 3: Cross multiply
    1,445,366.10x = 2,167,174.35 × 646,498.74
  4. Step 4: Simplify right side
    1,445,366.10x = 1,401,075,486,635.32
  5. Step 5: Solve for x
    x = 1,401,075,486,635.32/1,445,366.10
  6. Step 6: Final answer
    x = 969,356.82

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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.