Home / 1,423,088.34-1,963,877.40-778,494.69

Finding the Fourth Proportional to 1,423,088.34, 1,963,877.40 and 778,494.69

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Solution

The fourth proportional to 1,423,088.34, 1,963,877.40 and 778,494.69 is: 1,074,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,088.34 : 1,963,877.40 = 778,494.69 : x
  2. Step 2: Convert to fraction form
    1,423,088.34/1,963,877.40 = 778,494.69/x
  3. Step 3: Cross multiply
    1,423,088.34x = 1,963,877.40 × 778,494.69
  4. Step 4: Simplify right side
    1,423,088.34x = 1,528,868,127,711.01
  5. Step 5: Solve for x
    x = 1,528,868,127,711.01/1,423,088.34
  6. Step 6: Final answer
    x = 1,074,331.15

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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.