Home / 1,387,870.01-2,076,047.70-1,302,839.45

Finding the Fourth Proportional to 1,387,870.01, 2,076,047.70 and 1,302,839.45

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Solution

The fourth proportional to 1,387,870.01, 2,076,047.70 and 1,302,839.45 is: 1,948,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,870.01 : 2,076,047.70 = 1,302,839.45 : x
  2. Step 2: Convert to fraction form
    1,387,870.01/2,076,047.70 = 1,302,839.45/x
  3. Step 3: Cross multiply
    1,387,870.01x = 2,076,047.70 × 1,302,839.45
  4. Step 4: Simplify right side
    1,387,870.01x = 2,704,756,833,261.53
  5. Step 5: Solve for x
    x = 2,704,756,833,261.53/1,387,870.01
  6. Step 6: Final answer
    x = 1,948,854.59

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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.