Home / 939,141.40-1,316,664.20-939,141.40

Finding the Fourth Proportional to 939,141.40, 1,316,664.20 and 939,141.40

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Solution

The fourth proportional to 939,141.40, 1,316,664.20 and 939,141.40 is: 1,316,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,141.40 : 1,316,664.20 = 939,141.40 : x
  2. Step 2: Convert to fraction form
    939,141.40/1,316,664.20 = 939,141.40/x
  3. Step 3: Cross multiply
    939,141.40x = 1,316,664.20 × 939,141.40
  4. Step 4: Simplify right side
    939,141.40x = 1,236,533,860,117.88
  5. Step 5: Solve for x
    x = 1,236,533,860,117.88/939,141.40
  6. Step 6: Final answer
    x = 1,316,664.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.