Home / 1,358,259.20-2,036,870.40-411,315.20

Finding the Fourth Proportional to 1,358,259.20, 2,036,870.40 and 411,315.20

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Solution

The fourth proportional to 1,358,259.20, 2,036,870.40 and 411,315.20 is: 616,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,259.20 : 2,036,870.40 = 411,315.20 : x
  2. Step 2: Convert to fraction form
    1,358,259.20/2,036,870.40 = 411,315.20/x
  3. Step 3: Cross multiply
    1,358,259.20x = 2,036,870.40 × 411,315.20
  4. Step 4: Simplify right side
    1,358,259.20x = 837,795,755,950.08
  5. Step 5: Solve for x
    x = 837,795,755,950.08/1,358,259.20
  6. Step 6: Final answer
    x = 616,815.82

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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.