Home / 1,243,027.28-1,715,368.08-706,483.28

Finding the Fourth Proportional to 1,243,027.28, 1,715,368.08 and 706,483.28

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Solution

The fourth proportional to 1,243,027.28, 1,715,368.08 and 706,483.28 is: 974,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,027.28 : 1,715,368.08 = 706,483.28 : x
  2. Step 2: Convert to fraction form
    1,243,027.28/1,715,368.08 = 706,483.28/x
  3. Step 3: Cross multiply
    1,243,027.28x = 1,715,368.08 × 706,483.28
  4. Step 4: Simplify right side
    1,243,027.28x = 1,211,878,867,565.70
  5. Step 5: Solve for x
    x = 1,211,878,867,565.70/1,243,027.28
  6. Step 6: Final answer
    x = 974,941.49

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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.