Home / 786,623.40-1,180,226.70-757,463.40

Finding the Fourth Proportional to 786,623.40, 1,180,226.70 and 757,463.40

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Solution

The fourth proportional to 786,623.40, 1,180,226.70 and 757,463.40 is: 1,136,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,623.40 : 1,180,226.70 = 757,463.40 : x
  2. Step 2: Convert to fraction form
    786,623.40/1,180,226.70 = 757,463.40/x
  3. Step 3: Cross multiply
    786,623.40x = 1,180,226.70 × 757,463.40
  4. Step 4: Simplify right side
    786,623.40x = 893,978,528,952.78
  5. Step 5: Solve for x
    x = 893,978,528,952.78/786,623.40
  6. Step 6: Final answer
    x = 1,136,475.89

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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.