Home / 1,402,140.30-2,103,210.45-867,929.10

Finding the Fourth Proportional to 1,402,140.30, 2,103,210.45 and 867,929.10

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Solution

The fourth proportional to 1,402,140.30, 2,103,210.45 and 867,929.10 is: 1,301,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,140.30 : 2,103,210.45 = 867,929.10 : x
  2. Step 2: Convert to fraction form
    1,402,140.30/2,103,210.45 = 867,929.10/x
  3. Step 3: Cross multiply
    1,402,140.30x = 2,103,210.45 × 867,929.10
  4. Step 4: Simplify right side
    1,402,140.30x = 1,825,437,552,979.10
  5. Step 5: Solve for x
    x = 1,825,437,552,979.10/1,402,140.30
  6. Step 6: Final answer
    x = 1,301,893.65

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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.