Home / 1,145,547.34-1,579,798.98-778,574.14

Finding the Fourth Proportional to 1,145,547.34, 1,579,798.98 and 778,574.14

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Solution

The fourth proportional to 1,145,547.34, 1,579,798.98 and 778,574.14 is: 1,073,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,547.34 : 1,579,798.98 = 778,574.14 : x
  2. Step 2: Convert to fraction form
    1,145,547.34/1,579,798.98 = 778,574.14/x
  3. Step 3: Cross multiply
    1,145,547.34x = 1,579,798.98 × 778,574.14
  4. Step 4: Simplify right side
    1,145,547.34x = 1,229,990,632,226.38
  5. Step 5: Solve for x
    x = 1,229,990,632,226.38/1,145,547.34
  6. Step 6: Final answer
    x = 1,073,714.36

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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.