Home / 1,302,005.40-1,953,008.10-355,471.80

Finding the Fourth Proportional to 1,302,005.40, 1,953,008.10 and 355,471.80

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Solution

The fourth proportional to 1,302,005.40, 1,953,008.10 and 355,471.80 is: 533,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,005.40 : 1,953,008.10 = 355,471.80 : x
  2. Step 2: Convert to fraction form
    1,302,005.40/1,953,008.10 = 355,471.80/x
  3. Step 3: Cross multiply
    1,302,005.40x = 1,953,008.10 × 355,471.80
  4. Step 4: Simplify right side
    1,302,005.40x = 694,239,304,721.58
  5. Step 5: Solve for x
    x = 694,239,304,721.58/1,302,005.40
  6. Step 6: Final answer
    x = 533,207.70

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1.5x scale

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.