Home / 1,440,506.93-2,160,869.74-429,549.77

Finding the Fourth Proportional to 1,440,506.93, 2,160,869.74 and 429,549.77

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Solution

The fourth proportional to 1,440,506.93, 2,160,869.74 and 429,549.77 is: 644,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,506.93 : 2,160,869.74 = 429,549.77 : x
  2. Step 2: Convert to fraction form
    1,440,506.93/2,160,869.74 = 429,549.77/x
  3. Step 3: Cross multiply
    1,440,506.93x = 2,160,869.74 × 429,549.77
  4. Step 4: Simplify right side
    1,440,506.93x = 928,201,104,145.26
  5. Step 5: Solve for x
    x = 928,201,104,145.26/1,440,506.93
  6. Step 6: Final answer
    x = 644,357.27

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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.