Home / 1,316,300.40-1,971,498.15-1,080,104.40

Finding the Fourth Proportional to 1,316,300.40, 1,971,498.15 and 1,080,104.40

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Solution

The fourth proportional to 1,316,300.40, 1,971,498.15 and 1,080,104.40 is: 1,617,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,300.40 : 1,971,498.15 = 1,080,104.40 : x
  2. Step 2: Convert to fraction form
    1,316,300.40/1,971,498.15 = 1,080,104.40/x
  3. Step 3: Cross multiply
    1,316,300.40x = 1,971,498.15 × 1,080,104.40
  4. Step 4: Simplify right side
    1,316,300.40x = 2,129,423,826,406.86
  5. Step 5: Solve for x
    x = 2,129,423,826,406.86/1,316,300.40
  6. Step 6: Final answer
    x = 1,617,733.94

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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.