Home / 1,453,154.40-2,178,747.45-742,598.10

Finding the Fourth Proportional to 1,453,154.40, 2,178,747.45 and 742,598.10

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Solution

The fourth proportional to 1,453,154.40, 2,178,747.45 and 742,598.10 is: 1,113,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,154.40 : 2,178,747.45 = 742,598.10 : x
  2. Step 2: Convert to fraction form
    1,453,154.40/2,178,747.45 = 742,598.10/x
  3. Step 3: Cross multiply
    1,453,154.40x = 2,178,747.45 × 742,598.10
  4. Step 4: Simplify right side
    1,453,154.40x = 1,617,933,716,749.85
  5. Step 5: Solve for x
    x = 1,617,933,716,749.85/1,453,154.40
  6. Step 6: Final answer
    x = 1,113,394.22

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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.