Home / 1,429,687.14-1,973,411.10-920,389.50

Finding the Fourth Proportional to 1,429,687.14, 1,973,411.10 and 920,389.50

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Solution

The fourth proportional to 1,429,687.14, 1,973,411.10 and 920,389.50 is: 1,270,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,687.14 : 1,973,411.10 = 920,389.50 : x
  2. Step 2: Convert to fraction form
    1,429,687.14/1,973,411.10 = 920,389.50/x
  3. Step 3: Cross multiply
    1,429,687.14x = 1,973,411.10 × 920,389.50
  4. Step 4: Simplify right side
    1,429,687.14x = 1,816,306,855,623.45
  5. Step 5: Solve for x
    x = 1,816,306,855,623.45/1,429,687.14
  6. Step 6: Final answer
    x = 1,270,422.60

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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.