Home / 1,402,172.40-2,103,258.60-391,292.40

Finding the Fourth Proportional to 1,402,172.40, 2,103,258.60 and 391,292.40

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Solution

The fourth proportional to 1,402,172.40, 2,103,258.60 and 391,292.40 is: 586,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,172.40 : 2,103,258.60 = 391,292.40 : x
  2. Step 2: Convert to fraction form
    1,402,172.40/2,103,258.60 = 391,292.40/x
  3. Step 3: Cross multiply
    1,402,172.40x = 2,103,258.60 × 391,292.40
  4. Step 4: Simplify right side
    1,402,172.40x = 822,989,105,414.64
  5. Step 5: Solve for x
    x = 822,989,105,414.64/1,402,172.40
  6. Step 6: Final answer
    x = 586,938.60

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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.