Home / 1,223,364-1,688,374.68-740,195.52

Finding the Fourth Proportional to 1,223,364, 1,688,374.68 and 740,195.52

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Solution

The fourth proportional to 1,223,364, 1,688,374.68 and 740,195.52 is: 1,021,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,364 : 1,688,374.68 = 740,195.52 : x
  2. Step 2: Convert to fraction form
    1,223,364/1,688,374.68 = 740,195.52/x
  3. Step 3: Cross multiply
    1,223,364x = 1,688,374.68 × 740,195.52
  4. Step 4: Simplify right side
    1,223,364x = 1,249,727,374,217.43
  5. Step 5: Solve for x
    x = 1,249,727,374,217.43/1,223,364
  6. Step 6: Final answer
    x = 1,021,549.90

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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.