Home / 1,319,528.27-1,820,407.77-802,867.98

Finding the Fourth Proportional to 1,319,528.27, 1,820,407.77 and 802,867.98

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Solution

The fourth proportional to 1,319,528.27, 1,820,407.77 and 802,867.98 is: 1,107,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,528.27 : 1,820,407.77 = 802,867.98 : x
  2. Step 2: Convert to fraction form
    1,319,528.27/1,820,407.77 = 802,867.98/x
  3. Step 3: Cross multiply
    1,319,528.27x = 1,820,407.77 × 802,867.98
  4. Step 4: Simplify right side
    1,319,528.27x = 1,461,547,100,543.04
  5. Step 5: Solve for x
    x = 1,461,547,100,543.04/1,319,528.27
  6. Step 6: Final answer
    x = 1,107,628.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.