Home / 1,143,459.60-1,578,071.16-634,326

Finding the Fourth Proportional to 1,143,459.60, 1,578,071.16 and 634,326

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Solution

The fourth proportional to 1,143,459.60, 1,578,071.16 and 634,326 is: 875,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,459.60 : 1,578,071.16 = 634,326 : x
  2. Step 2: Convert to fraction form
    1,143,459.60/1,578,071.16 = 634,326/x
  3. Step 3: Cross multiply
    1,143,459.60x = 1,578,071.16 × 634,326
  4. Step 4: Simplify right side
    1,143,459.60x = 1,001,011,566,638.16
  5. Step 5: Solve for x
    x = 1,001,011,566,638.16/1,143,459.60
  6. Step 6: Final answer
    x = 875,423.64

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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.