Home / 1,143,657.28-1,578,206.73-634,407.04

Finding the Fourth Proportional to 1,143,657.28, 1,578,206.73 and 634,407.04

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Solution

The fourth proportional to 1,143,657.28, 1,578,206.73 and 634,407.04 is: 875,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,657.28 : 1,578,206.73 = 634,407.04 : x
  2. Step 2: Convert to fraction form
    1,143,657.28/1,578,206.73 = 634,407.04/x
  3. Step 3: Cross multiply
    1,143,657.28x = 1,578,206.73 × 634,407.04
  4. Step 4: Simplify right side
    1,143,657.28x = 1,001,225,460,087.38
  5. Step 5: Solve for x
    x = 1,001,225,460,087.38/1,143,657.28
  6. Step 6: Final answer
    x = 875,459.35

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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.