Home / 1,690,671.92-2,333,155.48-916,327.53

Finding the Fourth Proportional to 1,690,671.92, 2,333,155.48 and 916,327.53

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Solution

The fourth proportional to 1,690,671.92, 2,333,155.48 and 916,327.53 is: 1,264,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,671.92 : 2,333,155.48 = 916,327.53 : x
  2. Step 2: Convert to fraction form
    1,690,671.92/2,333,155.48 = 916,327.53/x
  3. Step 3: Cross multiply
    1,690,671.92x = 2,333,155.48 × 916,327.53
  4. Step 4: Simplify right side
    1,690,671.92x = 2,137,934,595,803.55
  5. Step 5: Solve for x
    x = 2,137,934,595,803.55/1,690,671.92
  6. Step 6: Final answer
    x = 1,264,547.29

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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.