Home / 1,124,051.40-1,685,288.70-413,987.40

Finding the Fourth Proportional to 1,124,051.40, 1,685,288.70 and 413,987.40

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Solution

The fourth proportional to 1,124,051.40, 1,685,288.70 and 413,987.40 is: 620,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,051.40 : 1,685,288.70 = 413,987.40 : x
  2. Step 2: Convert to fraction form
    1,124,051.40/1,685,288.70 = 413,987.40/x
  3. Step 3: Cross multiply
    1,124,051.40x = 1,685,288.70 × 413,987.40
  4. Step 4: Simplify right side
    1,124,051.40x = 697,688,287,162.38
  5. Step 5: Solve for x
    x = 697,688,287,162.38/1,124,051.40
  6. Step 6: Final answer
    x = 620,690.73

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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.