Home / 1,090,831.30-1,636,246.95-342,877.30

Finding the Fourth Proportional to 1,090,831.30, 1,636,246.95 and 342,877.30

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Solution

The fourth proportional to 1,090,831.30, 1,636,246.95 and 342,877.30 is: 514,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,831.30 : 1,636,246.95 = 342,877.30 : x
  2. Step 2: Convert to fraction form
    1,090,831.30/1,636,246.95 = 342,877.30/x
  3. Step 3: Cross multiply
    1,090,831.30x = 1,636,246.95 × 342,877.30
  4. Step 4: Simplify right side
    1,090,831.30x = 561,031,936,349.24
  5. Step 5: Solve for x
    x = 561,031,936,349.24/1,090,831.30
  6. Step 6: Final answer
    x = 514,315.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.