Home / 1,323,683.84-1,826,688-720,071.68

Finding the Fourth Proportional to 1,323,683.84, 1,826,688 and 720,071.68

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Solution

The fourth proportional to 1,323,683.84, 1,826,688 and 720,071.68 is: 993,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,683.84 : 1,826,688 = 720,071.68 : x
  2. Step 2: Convert to fraction form
    1,323,683.84/1,826,688 = 720,071.68/x
  3. Step 3: Cross multiply
    1,323,683.84x = 1,826,688 × 720,071.68
  4. Step 4: Simplify right side
    1,323,683.84x = 1,315,346,296,995.84
  5. Step 5: Solve for x
    x = 1,315,346,296,995.84/1,323,683.84
  6. Step 6: Final answer
    x = 993,701.26

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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.