Home / 1,386,737.37-1,913,693.52-774,890.74

Finding the Fourth Proportional to 1,386,737.37, 1,913,693.52 and 774,890.74

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Solution

The fourth proportional to 1,386,737.37, 1,913,693.52 and 774,890.74 is: 1,069,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,737.37 : 1,913,693.52 = 774,890.74 : x
  2. Step 2: Convert to fraction form
    1,386,737.37/1,913,693.52 = 774,890.74/x
  3. Step 3: Cross multiply
    1,386,737.37x = 1,913,693.52 × 774,890.74
  4. Step 4: Simplify right side
    1,386,737.37x = 1,482,903,387,846.01
  5. Step 5: Solve for x
    x = 1,482,903,387,846.01/1,386,737.37
  6. Step 6: Final answer
    x = 1,069,346.96

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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.