Home / 1,085,685.80-1,498,426.04-602,406.68

Finding the Fourth Proportional to 1,085,685.80, 1,498,426.04 and 602,406.68

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Solution

The fourth proportional to 1,085,685.80, 1,498,426.04 and 602,406.68 is: 831,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,685.80 : 1,498,426.04 = 602,406.68 : x
  2. Step 2: Convert to fraction form
    1,085,685.80/1,498,426.04 = 602,406.68/x
  3. Step 3: Cross multiply
    1,085,685.80x = 1,498,426.04 × 602,406.68
  4. Step 4: Simplify right side
    1,085,685.80x = 902,661,855,981.95
  5. Step 5: Solve for x
    x = 902,661,855,981.95/1,085,685.80
  6. Step 6: Final answer
    x = 831,420.89

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Double scale
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1.5x scale

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.