Home / 1,359,356.40-2,036,701.80-647,852.40

Finding the Fourth Proportional to 1,359,356.40, 2,036,701.80 and 647,852.40

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Solution

The fourth proportional to 1,359,356.40, 2,036,701.80 and 647,852.40 is: 970,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,356.40 : 2,036,701.80 = 647,852.40 : x
  2. Step 2: Convert to fraction form
    1,359,356.40/2,036,701.80 = 647,852.40/x
  3. Step 3: Cross multiply
    1,359,356.40x = 2,036,701.80 × 647,852.40
  4. Step 4: Simplify right side
    1,359,356.40x = 1,319,482,149,214.32
  5. Step 5: Solve for x
    x = 1,319,482,149,214.32/1,359,356.40
  6. Step 6: Final answer
    x = 970,666.82

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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.