Home / 1,068,909.10-1,603,363.65-972,486.70

Finding the Fourth Proportional to 1,068,909.10, 1,603,363.65 and 972,486.70

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Solution

The fourth proportional to 1,068,909.10, 1,603,363.65 and 972,486.70 is: 1,458,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,909.10 : 1,603,363.65 = 972,486.70 : x
  2. Step 2: Convert to fraction form
    1,068,909.10/1,603,363.65 = 972,486.70/x
  3. Step 3: Cross multiply
    1,068,909.10x = 1,603,363.65 × 972,486.70
  4. Step 4: Simplify right side
    1,068,909.10x = 1,559,249,824,888.45
  5. Step 5: Solve for x
    x = 1,559,249,824,888.45/1,068,909.10
  6. Step 6: Final answer
    x = 1,458,730.05

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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.