Home / 1,316,399.21-1,974,373.02-417,640.62

Finding the Fourth Proportional to 1,316,399.21, 1,974,373.02 and 417,640.62

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Solution

The fourth proportional to 1,316,399.21, 1,974,373.02 and 417,640.62 is: 626,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,399.21 : 1,974,373.02 = 417,640.62 : x
  2. Step 2: Convert to fraction form
    1,316,399.21/1,974,373.02 = 417,640.62/x
  3. Step 3: Cross multiply
    1,316,399.21x = 1,974,373.02 × 417,640.62
  4. Step 4: Simplify right side
    1,316,399.21x = 824,578,372,184.07
  5. Step 5: Solve for x
    x = 824,578,372,184.07/1,316,399.21
  6. Step 6: Final answer
    x = 626,389.30

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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.