Home / 1,648,964.36-2,473,048.70-688,901.34

Finding the Fourth Proportional to 1,648,964.36, 2,473,048.70 and 688,901.34

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Solution

The fourth proportional to 1,648,964.36, 2,473,048.70 and 688,901.34 is: 1,033,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,964.36 : 2,473,048.70 = 688,901.34 : x
  2. Step 2: Convert to fraction form
    1,648,964.36/2,473,048.70 = 688,901.34/x
  3. Step 3: Cross multiply
    1,648,964.36x = 2,473,048.70 × 688,901.34
  4. Step 4: Simplify right side
    1,648,964.36x = 1,703,686,563,315.26
  5. Step 5: Solve for x
    x = 1,703,686,563,315.26/1,648,964.36
  6. Step 6: Final answer
    x = 1,033,185.80

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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.