Home / 1,260,547.20-1,739,491.20-687,582.72

Finding the Fourth Proportional to 1,260,547.20, 1,739,491.20 and 687,582.72

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Solution

The fourth proportional to 1,260,547.20, 1,739,491.20 and 687,582.72 is: 948,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,547.20 : 1,739,491.20 = 687,582.72 : x
  2. Step 2: Convert to fraction form
    1,260,547.20/1,739,491.20 = 687,582.72/x
  3. Step 3: Cross multiply
    1,260,547.20x = 1,739,491.20 × 687,582.72
  4. Step 4: Simplify right side
    1,260,547.20x = 1,196,044,090,712.06
  5. Step 5: Solve for x
    x = 1,196,044,090,712.06/1,260,547.20
  6. Step 6: Final answer
    x = 948,829.28

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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.