Home / 1,564,364.40-2,158,853.52-1,020,847.92

Finding the Fourth Proportional to 1,564,364.40, 2,158,853.52 and 1,020,847.92

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Solution

The fourth proportional to 1,564,364.40, 2,158,853.52 and 1,020,847.92 is: 1,408,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,364.40 : 2,158,853.52 = 1,020,847.92 : x
  2. Step 2: Convert to fraction form
    1,564,364.40/2,158,853.52 = 1,020,847.92/x
  3. Step 3: Cross multiply
    1,564,364.40x = 2,158,853.52 × 1,020,847.92
  4. Step 4: Simplify right side
    1,564,364.40x = 2,203,861,125,476.68
  5. Step 5: Solve for x
    x = 2,203,861,125,476.68/1,564,364.40
  6. Step 6: Final answer
    x = 1,408,790.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.