Home / 1,354,547.10-2,031,931.32-680,281.64

Finding the Fourth Proportional to 1,354,547.10, 2,031,931.32 and 680,281.64

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Solution

The fourth proportional to 1,354,547.10, 2,031,931.32 and 680,281.64 is: 1,020,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,547.10 : 2,031,931.32 = 680,281.64 : x
  2. Step 2: Convert to fraction form
    1,354,547.10/2,031,931.32 = 680,281.64/x
  3. Step 3: Cross multiply
    1,354,547.10x = 2,031,931.32 × 680,281.64
  4. Step 4: Simplify right side
    1,354,547.10x = 1,382,285,557,175.90
  5. Step 5: Solve for x
    x = 1,382,285,557,175.90/1,354,547.10
  6. Step 6: Final answer
    x = 1,020,478.03

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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.