Home / 1,812,988.08-2,501,928.56-997,275.36

Finding the Fourth Proportional to 1,812,988.08, 2,501,928.56 and 997,275.36

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Solution

The fourth proportional to 1,812,988.08, 2,501,928.56 and 997,275.36 is: 1,376,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,988.08 : 2,501,928.56 = 997,275.36 : x
  2. Step 2: Convert to fraction form
    1,812,988.08/2,501,928.56 = 997,275.36/x
  3. Step 3: Cross multiply
    1,812,988.08x = 2,501,928.56 × 997,275.36
  4. Step 4: Simplify right side
    1,812,988.08x = 2,495,111,705,368.28
  5. Step 5: Solve for x
    x = 2,495,111,705,368.28/1,812,988.08
  6. Step 6: Final answer
    x = 1,376,242.75

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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.