Home / 1,124,479.51-1,686,717.88-366,319.72

Finding the Fourth Proportional to 1,124,479.51, 1,686,717.88 and 366,319.72

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Solution

The fourth proportional to 1,124,479.51, 1,686,717.88 and 366,319.72 is: 549,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,479.51 : 1,686,717.88 = 366,319.72 : x
  2. Step 2: Convert to fraction form
    1,124,479.51/1,686,717.88 = 366,319.72/x
  3. Step 3: Cross multiply
    1,124,479.51x = 1,686,717.88 × 366,319.72
  4. Step 4: Simplify right side
    1,124,479.51x = 617,878,013,225.40
  5. Step 5: Solve for x
    x = 617,878,013,225.40/1,124,479.51
  6. Step 6: Final answer
    x = 549,479.12

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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.