Home / 1,208,312.30-1,813,124.55-498,412.10

Finding the Fourth Proportional to 1,208,312.30, 1,813,124.55 and 498,412.10

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Solution

The fourth proportional to 1,208,312.30, 1,813,124.55 and 498,412.10 is: 747,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,312.30 : 1,813,124.55 = 498,412.10 : x
  2. Step 2: Convert to fraction form
    1,208,312.30/1,813,124.55 = 498,412.10/x
  3. Step 3: Cross multiply
    1,208,312.30x = 1,813,124.55 × 498,412.10
  4. Step 4: Simplify right side
    1,208,312.30x = 903,683,214,527.06
  5. Step 5: Solve for x
    x = 903,683,214,527.06/1,208,312.30
  6. Step 6: Final answer
    x = 747,888.78

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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.