Home / 1,426,096.83-1,968,029.13-781,503.19

Finding the Fourth Proportional to 1,426,096.83, 1,968,029.13 and 781,503.19

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Solution

The fourth proportional to 1,426,096.83, 1,968,029.13 and 781,503.19 is: 1,078,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,096.83 : 1,968,029.13 = 781,503.19 : x
  2. Step 2: Convert to fraction form
    1,426,096.83/1,968,029.13 = 781,503.19/x
  3. Step 3: Cross multiply
    1,426,096.83x = 1,968,029.13 × 781,503.19
  4. Step 4: Simplify right side
    1,426,096.83x = 1,538,021,038,920.51
  5. Step 5: Solve for x
    x = 1,538,021,038,920.51/1,426,096.83
  6. Step 6: Final answer
    x = 1,078,482.89

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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.