Home / 1,409,719.35-2,113,102.80-556,461.30

Finding the Fourth Proportional to 1,409,719.35, 2,113,102.80 and 556,461.30

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Solution

The fourth proportional to 1,409,719.35, 2,113,102.80 and 556,461.30 is: 834,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,719.35 : 2,113,102.80 = 556,461.30 : x
  2. Step 2: Convert to fraction form
    1,409,719.35/2,113,102.80 = 556,461.30/x
  3. Step 3: Cross multiply
    1,409,719.35x = 2,113,102.80 × 556,461.30
  4. Step 4: Simplify right side
    1,409,719.35x = 1,175,859,931,121.64
  5. Step 5: Solve for x
    x = 1,175,859,931,121.64/1,409,719.35
  6. Step 6: Final answer
    x = 834,109.24

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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.