Home / 1,139,718.40-1,709,577.60-549,894.40

Finding the Fourth Proportional to 1,139,718.40, 1,709,577.60 and 549,894.40

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Solution

The fourth proportional to 1,139,718.40, 1,709,577.60 and 549,894.40 is: 824,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,718.40 : 1,709,577.60 = 549,894.40 : x
  2. Step 2: Convert to fraction form
    1,139,718.40/1,709,577.60 = 549,894.40/x
  3. Step 3: Cross multiply
    1,139,718.40x = 1,709,577.60 × 549,894.40
  4. Step 4: Simplify right side
    1,139,718.40x = 940,087,148,605.44
  5. Step 5: Solve for x
    x = 940,087,148,605.44/1,139,718.40
  6. Step 6: Final answer
    x = 824,841.60

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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.