Home / 1,012,438.54-1,518,903.65-302,461.39

Finding the Fourth Proportional to 1,012,438.54, 1,518,903.65 and 302,461.39

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Solution

The fourth proportional to 1,012,438.54, 1,518,903.65 and 302,461.39 is: 453,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,438.54 : 1,518,903.65 = 302,461.39 : x
  2. Step 2: Convert to fraction form
    1,012,438.54/1,518,903.65 = 302,461.39/x
  3. Step 3: Cross multiply
    1,012,438.54x = 1,518,903.65 × 302,461.39
  4. Step 4: Simplify right side
    1,012,438.54x = 459,409,707,742.77
  5. Step 5: Solve for x
    x = 459,409,707,742.77/1,012,438.54
  6. Step 6: Final answer
    x = 453,765.53

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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.