Home / 1,143,567.64-1,578,312.30-634,434.04

Finding the Fourth Proportional to 1,143,567.64, 1,578,312.30 and 634,434.04

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Solution

The fourth proportional to 1,143,567.64, 1,578,312.30 and 634,434.04 is: 875,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,567.64 : 1,578,312.30 = 634,434.04 : x
  2. Step 2: Convert to fraction form
    1,143,567.64/1,578,312.30 = 634,434.04/x
  3. Step 3: Cross multiply
    1,143,567.64x = 1,578,312.30 × 634,434.04
  4. Step 4: Simplify right side
    1,143,567.64x = 1,001,335,048,870.69
  5. Step 5: Solve for x
    x = 1,001,335,048,870.69/1,143,567.64
  6. Step 6: Final answer
    x = 875,623.81

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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.