Home / 1,114,818.73-1,672,291.68-316,037.50

Finding the Fourth Proportional to 1,114,818.73, 1,672,291.68 and 316,037.50

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Solution

The fourth proportional to 1,114,818.73, 1,672,291.68 and 316,037.50 is: 474,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,818.73 : 1,672,291.68 = 316,037.50 : x
  2. Step 2: Convert to fraction form
    1,114,818.73/1,672,291.68 = 316,037.50/x
  3. Step 3: Cross multiply
    1,114,818.73x = 1,672,291.68 × 316,037.50
  4. Step 4: Simplify right side
    1,114,818.73x = 528,506,881,818
  5. Step 5: Solve for x
    x = 528,506,881,818/1,114,818.73
  6. Step 6: Final answer
    x = 474,074.28

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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.