Home / 1,513,208.55-2,088,200.75-824,886.35

Finding the Fourth Proportional to 1,513,208.55, 2,088,200.75 and 824,886.35

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Solution

The fourth proportional to 1,513,208.55, 2,088,200.75 and 824,886.35 is: 1,138,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,208.55 : 2,088,200.75 = 824,886.35 : x
  2. Step 2: Convert to fraction form
    1,513,208.55/2,088,200.75 = 824,886.35/x
  3. Step 3: Cross multiply
    1,513,208.55x = 2,088,200.75 × 824,886.35
  4. Step 4: Simplify right side
    1,513,208.55x = 1,722,528,280,169.33
  5. Step 5: Solve for x
    x = 1,722,528,280,169.33/1,513,208.55
  6. Step 6: Final answer
    x = 1,138,328.41

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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.