Home / 1,038,721.80-1,558,082.70-470,101.80

Finding the Fourth Proportional to 1,038,721.80, 1,558,082.70 and 470,101.80

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Solution

The fourth proportional to 1,038,721.80, 1,558,082.70 and 470,101.80 is: 705,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,721.80 : 1,558,082.70 = 470,101.80 : x
  2. Step 2: Convert to fraction form
    1,038,721.80/1,558,082.70 = 470,101.80/x
  3. Step 3: Cross multiply
    1,038,721.80x = 1,558,082.70 × 470,101.80
  4. Step 4: Simplify right side
    1,038,721.80x = 732,457,481,818.86
  5. Step 5: Solve for x
    x = 732,457,481,818.86/1,038,721.80
  6. Step 6: Final answer
    x = 705,152.70

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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.