Home / 1,013,593.02-1,398,150.21-669,429.62

Finding the Fourth Proportional to 1,013,593.02, 1,398,150.21 and 669,429.62

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Solution

The fourth proportional to 1,013,593.02, 1,398,150.21 and 669,429.62 is: 923,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,593.02 : 1,398,150.21 = 669,429.62 : x
  2. Step 2: Convert to fraction form
    1,013,593.02/1,398,150.21 = 669,429.62/x
  3. Step 3: Cross multiply
    1,013,593.02x = 1,398,150.21 × 669,429.62
  4. Step 4: Simplify right side
    1,013,593.02x = 935,963,163,783.22
  5. Step 5: Solve for x
    x = 935,963,163,783.22/1,013,593.02
  6. Step 6: Final answer
    x = 923,411.22

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1.5x scale

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.