Home / 1,384,802.40-2,076,814.80-438,463.20

Finding the Fourth Proportional to 1,384,802.40, 2,076,814.80 and 438,463.20

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Solution

The fourth proportional to 1,384,802.40, 2,076,814.80 and 438,463.20 is: 657,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,802.40 : 2,076,814.80 = 438,463.20 : x
  2. Step 2: Convert to fraction form
    1,384,802.40/2,076,814.80 = 438,463.20/x
  3. Step 3: Cross multiply
    1,384,802.40x = 2,076,814.80 × 438,463.20
  4. Step 4: Simplify right side
    1,384,802.40x = 910,606,863,015.36
  5. Step 5: Solve for x
    x = 910,606,863,015.36/1,384,802.40
  6. Step 6: Final answer
    x = 657,571.70

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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.