Home / 1,254,810.78-1,731,498.32-710,830.07

Finding the Fourth Proportional to 1,254,810.78, 1,731,498.32 and 710,830.07

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Solution

The fourth proportional to 1,254,810.78, 1,731,498.32 and 710,830.07 is: 980,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,810.78 : 1,731,498.32 = 710,830.07 : x
  2. Step 2: Convert to fraction form
    1,254,810.78/1,731,498.32 = 710,830.07/x
  3. Step 3: Cross multiply
    1,254,810.78x = 1,731,498.32 × 710,830.07
  4. Step 4: Simplify right side
    1,254,810.78x = 1,230,801,059,798.84
  5. Step 5: Solve for x
    x = 1,230,801,059,798.84/1,254,810.78
  6. Step 6: Final answer
    x = 980,865.86

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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.