Home / 1,698,654.40-2,547,981.60-687,774.40

Finding the Fourth Proportional to 1,698,654.40, 2,547,981.60 and 687,774.40

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Solution

The fourth proportional to 1,698,654.40, 2,547,981.60 and 687,774.40 is: 1,031,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,654.40 : 2,547,981.60 = 687,774.40 : x
  2. Step 2: Convert to fraction form
    1,698,654.40/2,547,981.60 = 687,774.40/x
  3. Step 3: Cross multiply
    1,698,654.40x = 2,547,981.60 × 687,774.40
  4. Step 4: Simplify right side
    1,698,654.40x = 1,752,436,516,151.04
  5. Step 5: Solve for x
    x = 1,752,436,516,151.04/1,698,654.40
  6. Step 6: Final answer
    x = 1,031,661.60

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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.