Home / 1,402,223.40-2,103,335.10-1,122,287.40

Finding the Fourth Proportional to 1,402,223.40, 2,103,335.10 and 1,122,287.40

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Solution

The fourth proportional to 1,402,223.40, 2,103,335.10 and 1,122,287.40 is: 1,683,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,223.40 : 2,103,335.10 = 1,122,287.40 : x
  2. Step 2: Convert to fraction form
    1,402,223.40/2,103,335.10 = 1,122,287.40/x
  3. Step 3: Cross multiply
    1,402,223.40x = 2,103,335.10 × 1,122,287.40
  4. Step 4: Simplify right side
    1,402,223.40x = 2,360,546,480,707.74
  5. Step 5: Solve for x
    x = 2,360,546,480,707.74/1,402,223.40
  6. Step 6: Final answer
    x = 1,683,431.10

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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.