Home / 1,316,342.37-1,974,587.42-369,639.28

Finding the Fourth Proportional to 1,316,342.37, 1,974,587.42 and 369,639.28

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Solution

The fourth proportional to 1,316,342.37, 1,974,587.42 and 369,639.28 is: 554,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,342.37 : 1,974,587.42 = 369,639.28 : x
  2. Step 2: Convert to fraction form
    1,316,342.37/1,974,587.42 = 369,639.28/x
  3. Step 3: Cross multiply
    1,316,342.37x = 1,974,587.42 × 369,639.28
  4. Step 4: Simplify right side
    1,316,342.37x = 729,885,075,618.19
  5. Step 5: Solve for x
    x = 729,885,075,618.19/1,316,342.37
  6. Step 6: Final answer
    x = 554,479.66

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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.