Home / 1,325,602.84-1,829,539.65-781,798.40

Finding the Fourth Proportional to 1,325,602.84, 1,829,539.65 and 781,798.40

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Solution

The fourth proportional to 1,325,602.84, 1,829,539.65 and 781,798.40 is: 1,079,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,602.84 : 1,829,539.65 = 781,798.40 : x
  2. Step 2: Convert to fraction form
    1,325,602.84/1,829,539.65 = 781,798.40/x
  3. Step 3: Cross multiply
    1,325,602.84x = 1,829,539.65 × 781,798.40
  4. Step 4: Simplify right side
    1,325,602.84x = 1,430,331,178,612.15
  5. Step 5: Solve for x
    x = 1,430,331,178,612.15/1,325,602.84
  6. Step 6: Final answer
    x = 1,079,004.31

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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.