Home / 1,571,293.20-2,355,384.60-771,920.40

Finding the Fourth Proportional to 1,571,293.20, 2,355,384.60 and 771,920.40

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Solution

The fourth proportional to 1,571,293.20, 2,355,384.60 and 771,920.40 is: 1,157,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,293.20 : 2,355,384.60 = 771,920.40 : x
  2. Step 2: Convert to fraction form
    1,571,293.20/2,355,384.60 = 771,920.40/x
  3. Step 3: Cross multiply
    1,571,293.20x = 2,355,384.60 × 771,920.40
  4. Step 4: Simplify right side
    1,571,293.20x = 1,818,169,422,585.84
  5. Step 5: Solve for x
    x = 1,818,169,422,585.84/1,571,293.20
  6. Step 6: Final answer
    x = 1,157,116.59

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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.