Home / 1,811,145.60-2,716,718.40-971,337.60

Finding the Fourth Proportional to 1,811,145.60, 2,716,718.40 and 971,337.60

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Solution

The fourth proportional to 1,811,145.60, 2,716,718.40 and 971,337.60 is: 1,457,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,145.60 : 2,716,718.40 = 971,337.60 : x
  2. Step 2: Convert to fraction form
    1,811,145.60/2,716,718.40 = 971,337.60/x
  3. Step 3: Cross multiply
    1,811,145.60x = 2,716,718.40 × 971,337.60
  4. Step 4: Simplify right side
    1,811,145.60x = 2,638,850,730,531.84
  5. Step 5: Solve for x
    x = 2,638,850,730,531.84/1,811,145.60
  6. Step 6: Final answer
    x = 1,457,006.40

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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.