Home / 1,415,537.40-2,123,306.10-404,657.40

Finding the Fourth Proportional to 1,415,537.40, 2,123,306.10 and 404,657.40

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Solution

The fourth proportional to 1,415,537.40, 2,123,306.10 and 404,657.40 is: 606,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,537.40 : 2,123,306.10 = 404,657.40 : x
  2. Step 2: Convert to fraction form
    1,415,537.40/2,123,306.10 = 404,657.40/x
  3. Step 3: Cross multiply
    1,415,537.40x = 2,123,306.10 × 404,657.40
  4. Step 4: Simplify right side
    1,415,537.40x = 859,211,525,830.14
  5. Step 5: Solve for x
    x = 859,211,525,830.14/1,415,537.40
  6. Step 6: Final answer
    x = 606,986.10

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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.