Home / 1,031,712.40-1,547,568.60-807,763.60

Finding the Fourth Proportional to 1,031,712.40, 1,547,568.60 and 807,763.60

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Solution

The fourth proportional to 1,031,712.40, 1,547,568.60 and 807,763.60 is: 1,211,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,712.40 : 1,547,568.60 = 807,763.60 : x
  2. Step 2: Convert to fraction form
    1,031,712.40/1,547,568.60 = 807,763.60/x
  3. Step 3: Cross multiply
    1,031,712.40x = 1,547,568.60 × 807,763.60
  4. Step 4: Simplify right side
    1,031,712.40x = 1,250,069,583,582.96
  5. Step 5: Solve for x
    x = 1,250,069,583,582.96/1,031,712.40
  6. Step 6: Final answer
    x = 1,211,645.40

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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.