Home / 1,130,642.20-1,695,428.70-657,472.60

Finding the Fourth Proportional to 1,130,642.20, 1,695,428.70 and 657,472.60

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Solution

The fourth proportional to 1,130,642.20, 1,695,428.70 and 657,472.60 is: 985,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,642.20 : 1,695,428.70 = 657,472.60 : x
  2. Step 2: Convert to fraction form
    1,130,642.20/1,695,428.70 = 657,472.60/x
  3. Step 3: Cross multiply
    1,130,642.20x = 1,695,428.70 × 657,472.60
  4. Step 4: Simplify right side
    1,130,642.20x = 1,114,697,915,503.62
  5. Step 5: Solve for x
    x = 1,114,697,915,503.62/1,130,642.20
  6. Step 6: Final answer
    x = 985,898.03

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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.