Home / 1,384,389.90-2,076,912.90-710,575.20

Finding the Fourth Proportional to 1,384,389.90, 2,076,912.90 and 710,575.20

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Solution

The fourth proportional to 1,384,389.90, 2,076,912.90 and 710,575.20 is: 1,066,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,389.90 : 2,076,912.90 = 710,575.20 : x
  2. Step 2: Convert to fraction form
    1,384,389.90/2,076,912.90 = 710,575.20/x
  3. Step 3: Cross multiply
    1,384,389.90x = 2,076,912.90 × 710,575.20
  4. Step 4: Simplify right side
    1,384,389.90x = 1,475,802,799,300.08
  5. Step 5: Solve for x
    x = 1,475,802,799,300.08/1,384,389.90
  6. Step 6: Final answer
    x = 1,066,031.18

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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.