Home / 1,721,730.40-2,582,595.60-523,643.20

Finding the Fourth Proportional to 1,721,730.40, 2,582,595.60 and 523,643.20

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Solution

The fourth proportional to 1,721,730.40, 2,582,595.60 and 523,643.20 is: 785,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,730.40 : 2,582,595.60 = 523,643.20 : x
  2. Step 2: Convert to fraction form
    1,721,730.40/2,582,595.60 = 523,643.20/x
  3. Step 3: Cross multiply
    1,721,730.40x = 2,582,595.60 × 523,643.20
  4. Step 4: Simplify right side
    1,721,730.40x = 1,352,358,624,289.92
  5. Step 5: Solve for x
    x = 1,352,358,624,289.92/1,721,730.40
  6. Step 6: Final answer
    x = 785,464.80

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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.