Home / 1,074,047.40-1,609,688.70-652,876.20

Finding the Fourth Proportional to 1,074,047.40, 1,609,688.70 and 652,876.20

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Solution

The fourth proportional to 1,074,047.40, 1,609,688.70 and 652,876.20 is: 978,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,047.40 : 1,609,688.70 = 652,876.20 : x
  2. Step 2: Convert to fraction form
    1,074,047.40/1,609,688.70 = 652,876.20/x
  3. Step 3: Cross multiply
    1,074,047.40x = 1,609,688.70 × 652,876.20
  4. Step 4: Simplify right side
    1,074,047.40x = 1,050,927,441,638.94
  5. Step 5: Solve for x
    x = 1,050,927,441,638.94/1,074,047.40
  6. Step 6: Final answer
    x = 978,473.99

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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.