Home / 1,872,748-2,584,373.70-1,013,289.40

Finding the Fourth Proportional to 1,872,748, 2,584,373.70 and 1,013,289.40

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Solution

The fourth proportional to 1,872,748, 2,584,373.70 and 1,013,289.40 is: 1,398,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,748 : 2,584,373.70 = 1,013,289.40 : x
  2. Step 2: Convert to fraction form
    1,872,748/2,584,373.70 = 1,013,289.40/x
  3. Step 3: Cross multiply
    1,872,748x = 2,584,373.70 × 1,013,289.40
  4. Step 4: Simplify right side
    1,872,748x = 2,618,718,475,848.78
  5. Step 5: Solve for x
    x = 2,618,718,475,848.78/1,872,748
  6. Step 6: Final answer
    x = 1,398,329.34

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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.