Home / 1,377,518.81-1,901,011.07-757,316.39

Finding the Fourth Proportional to 1,377,518.81, 1,901,011.07 and 757,316.39

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Solution

The fourth proportional to 1,377,518.81, 1,901,011.07 and 757,316.39 is: 1,045,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,518.81 : 1,901,011.07 = 757,316.39 : x
  2. Step 2: Convert to fraction form
    1,377,518.81/1,901,011.07 = 757,316.39/x
  3. Step 3: Cross multiply
    1,377,518.81x = 1,901,011.07 × 757,316.39
  4. Step 4: Simplify right side
    1,377,518.81x = 1,439,666,833,270.67
  5. Step 5: Solve for x
    x = 1,439,666,833,270.67/1,377,518.81
  6. Step 6: Final answer
    x = 1,045,115.92

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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.