Home / 1,119,508.16-1,545,381.18-757,423.17

Finding the Fourth Proportional to 1,119,508.16, 1,545,381.18 and 757,423.17

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Solution

The fourth proportional to 1,119,508.16, 1,545,381.18 and 757,423.17 is: 1,045,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,508.16 : 1,545,381.18 = 757,423.17 : x
  2. Step 2: Convert to fraction form
    1,119,508.16/1,545,381.18 = 757,423.17/x
  3. Step 3: Cross multiply
    1,119,508.16x = 1,545,381.18 × 757,423.17
  4. Step 4: Simplify right side
    1,119,508.16x = 1,170,507,512,213.94
  5. Step 5: Solve for x
    x = 1,170,507,512,213.94/1,119,508.16
  6. Step 6: Final answer
    x = 1,045,555.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.