Home / 1,544,289.40-2,315,354.10-912,878.20

Finding the Fourth Proportional to 1,544,289.40, 2,315,354.10 and 912,878.20

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Solution

The fourth proportional to 1,544,289.40, 2,315,354.10 and 912,878.20 is: 1,368,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,289.40 : 2,315,354.10 = 912,878.20 : x
  2. Step 2: Convert to fraction form
    1,544,289.40/2,315,354.10 = 912,878.20/x
  3. Step 3: Cross multiply
    1,544,289.40x = 2,315,354.10 × 912,878.20
  4. Step 4: Simplify right side
    1,544,289.40x = 2,113,636,283,170.62
  5. Step 5: Solve for x
    x = 2,113,636,283,170.62/1,544,289.40
  6. Step 6: Final answer
    x = 1,368,678.88

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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.