Home / 1,038,352.60-1,557,528.90-772,632.10

Finding the Fourth Proportional to 1,038,352.60, 1,557,528.90 and 772,632.10

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Solution

The fourth proportional to 1,038,352.60, 1,557,528.90 and 772,632.10 is: 1,158,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,352.60 : 1,557,528.90 = 772,632.10 : x
  2. Step 2: Convert to fraction form
    1,038,352.60/1,557,528.90 = 772,632.10/x
  3. Step 3: Cross multiply
    1,038,352.60x = 1,557,528.90 × 772,632.10
  4. Step 4: Simplify right side
    1,038,352.60x = 1,203,396,824,817.69
  5. Step 5: Solve for x
    x = 1,203,396,824,817.69/1,038,352.60
  6. Step 6: Final answer
    x = 1,158,948.15

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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.