Home / 1,031,712.40-1,547,568.60-712,847.80

Finding the Fourth Proportional to 1,031,712.40, 1,547,568.60 and 712,847.80

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Solution

The fourth proportional to 1,031,712.40, 1,547,568.60 and 712,847.80 is: 1,069,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,712.40 : 1,547,568.60 = 712,847.80 : x
  2. Step 2: Convert to fraction form
    1,031,712.40/1,547,568.60 = 712,847.80/x
  3. Step 3: Cross multiply
    1,031,712.40x = 1,547,568.60 × 712,847.80
  4. Step 4: Simplify right side
    1,031,712.40x = 1,103,180,871,859.08
  5. Step 5: Solve for x
    x = 1,103,180,871,859.08/1,031,712.40
  6. Step 6: Final answer
    x = 1,069,271.70

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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.