Home / 1,600,677.60-2,209,125.60-921,746.40

Finding the Fourth Proportional to 1,600,677.60, 2,209,125.60 and 921,746.40

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Solution

The fourth proportional to 1,600,677.60, 2,209,125.60 and 921,746.40 is: 1,272,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,677.60 : 2,209,125.60 = 921,746.40 : x
  2. Step 2: Convert to fraction form
    1,600,677.60/2,209,125.60 = 921,746.40/x
  3. Step 3: Cross multiply
    1,600,677.60x = 2,209,125.60 × 921,746.40
  4. Step 4: Simplify right side
    1,600,677.60x = 2,036,253,568,947.84
  5. Step 5: Solve for x
    x = 2,036,253,568,947.84/1,600,677.60
  6. Step 6: Final answer
    x = 1,272,119.74

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1.5x scale

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.