Home / 1,386,393.40-2,076,090.90-910,502.20

Finding the Fourth Proportional to 1,386,393.40, 2,076,090.90 and 910,502.20

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Solution

The fourth proportional to 1,386,393.40, 2,076,090.90 and 910,502.20 is: 1,363,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,393.40 : 2,076,090.90 = 910,502.20 : x
  2. Step 2: Convert to fraction form
    1,386,393.40/2,076,090.90 = 910,502.20/x
  3. Step 3: Cross multiply
    1,386,393.40x = 2,076,090.90 × 910,502.20
  4. Step 4: Simplify right side
    1,386,393.40x = 1,890,285,331,849.98
  5. Step 5: Solve for x
    x = 1,890,285,331,849.98/1,386,393.40
  6. Step 6: Final answer
    x = 1,363,455.23

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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.